List of refrigerants

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Chemical refrigerants are assigned an R number which is determined systematically according to molecular structure. Common refrigerants are frequently referred to as Freon (a registered trademark of DuPont). The following is a list of refrigerants with their Type/Prefix, ASHRAE designated numbers, IUPAC chemical name, molecular formula, CAS registry number / Blend Name, Atmospheric Lifetime in years, Semi-Empirical Ozone depletion potential, net Global warming potential over a 100-year time horizon, Occupational exposure limit/Permissible exposure limit in parts per million (volume per volume) over a time-weighted average (TWA) concentration for a normal eight-hour work day and a 40-hour work week, ASHRAE 34 Safety Group in Toxicity & Flammability (in Air @ 60 °C & 101.3 kPa) classing, Refrigerant Concentration Limit / Immediately Dangerous to Life or Health in parts per million (volume per volume) & grams per cubic meter, Molecular mass in Atomic mass units, Normal Boiling Point (or Bubble & Dew Points for the Zeotrope(400)-series)(or Normal Boiling Point & Azeotropic Temperature for the Azeotrope(500)-series) at 101,325 Pa (1 atmosphere) in degrees Celsius, Critical Temperature in degrees Celsius and Critical Pressure (absolute) in kiloPascals.

List

T
y
p
e		 ASHRAE
Number		 IUPAC Chemical Name Molecular
Formula		 CAS
registry
number/
Blend
Name		 Atmospheric
Lifetime
(years)		 Semi-
Empirical
ODP		 net
GWP
100-yr		 OEL/PEL
ppm (v/v) &
ASHRAE 34
Safety
Group		 RCL/
IDLH
ppm
(v/v)		 RCL/
IDLH
g/m3		 Molecular
mass
u		 Normal
Boiling OR
Bubble/Dew
/Azeotropic
Point(s) °C		 Critical
Temp.
°C		 Critical
Pressure
(absolute)
kPa

PCC R-10 Carbon tetrachloride (Tetrachloromethane) CCl4 56-23-5 26[1][2] 0.73[2] 1,400[1] 100? B1[3] 153.8[4] 76.72[5] 283.35[6] 4,560[6]
CFC R-11 Trichlorofluoromethane CCl3F 75-69-4 45[1][2] 1.0[2] 4,750[1] 1,000[7] A1[7] 1,100[7] 6.2[7] 137.4[4] 23.77[5] 197.96[6] 4,408[6]
CFC R-12 Dichlorodifluoromethane CCl2F2 75-71-8 100[1][2] 1.0[2] 10,900[1] 1,000[7] A1[7] 18,000[7] 90[7] 120.9[4] −29.8[5] 111.97[6] 4,136[6]
H R-12B1 Bromochlorodifluoromethane CBrClF2 or CF2ClBr 353-59-3 16[1][2] 7.1[2] 1,890[1] 165.4[4] −3.7[5] 153.8[6] 4,102[6]
H R-12B2 Dibromodifluoromethane CBr2F2 75-61-6 2.9[2] 1.7[2] 209.8[4] 22.8[5] 198.11[6] 4,130[6]
CFC R-13 Chlorotrifluoromethane CClF3 75-72-9 640[1] 1[8] 14,400[1] 1,000[7] A1[7] 40,000? 200? 104.5[4] −81.5[5] 28.73[6] 3,877[6]
H R-13B1 Bromotrifluoromethane CF3Br 75-63-8 65[1][2] 16[2] 7,140[1] 1,000[7] A1[7] 148.9[4] −57.75[5] 67[6] 3,964[6]
PFC R-14 Tetrafluoromethane CF4 75-73-0 50,000[1] 0[9] 7,390[1] 1,000[7] A1[7] 110,000[7] 400[7] 88[4] −127.8[5] −45.64[6] 3,750[6]
HCC R-20 Chloroform (Trichloromethane) CHCl3 67-66-3 0.51[1] 31[1] 119.4[4] 61.2[5] 262.35[6] 5,480[6]
HCFC R-21 Dichlorofluoromethane CHFCl2 75-43-4 1.7[2] 0.04[10] 151[2] 100? B1[7] 102.9[4] 8.92[5] 178.45[6] 5,180[6]
HCFC R-22 Chlorodifluoromethane CHClF2 75-45-6 12.0[1][2] 0.05[2] 1,810[1] 1,000[7] A1[7] 59,000[7] 210[7] 86.5[4] −40.7[5] 96.14[6] 4,990[6]
H R-22B1 Bromodifluoromethane CHBrF2 or CHF2Br 1511-62-2 5.8[2] 0.74[8] 404[2] 130.9[4] −14.6[5] 138.83[6] 5,132[6]
HFC R-23 Trifluoromethane (Fluoroform) CHF3 75-46-7 270[1] 0[9] 14,800[1] 1,000[7] A1[7] 41,000[7] 120[7] 70[4] −82.1[5] 25.92[6] 4,836[6]
HCC R-30 Dichloromethane (Methylene chloride) CH2Cl2 75-09-2 0.38[1] 0[11] 8.7[1] 100? B2[7] 84.9[4] 39.6[5] 235.15[6] 6,080[6]
HCFC R-31 Chlorofluoromethane CH2FCl 593-70-4 0.02[10] 350? B2? 10,000? 20? 68.5[4] −9.1[5] 151.76[6] 5,131[6]
HFC R-32 Difluoromethane CH2F2 75-10-5 4.9[1] 0[9] 675[1] 1,000[7] A2L[12] 36,000[7] 77[7] 52[4] −52[5][13] 78.11[6] 5,782[6]
HCC R-40 Chloromethane CH3Cl 74-87-3 1.0[1][2] 0.02[2] 13[1] 100? B2[7] 50.5[4] −24.2[5] 143.05[6] 6,660[6]
HFC R-41 Fluoromethane CH3F 593-53-3 2.4[1] 0[9] 92[1] 34[4] −78.2[5] 44.13[6] 5,897[6]
HC R-50 Methane CH4 74-82-8 12 ± 3[1] <0(smog)[14] 25[1] 1,000[7] A3[7] 9,000? 9? 16.04[4] −162±2[5] −82.3[15] 4,640[15]
PCC R-110 Hexachloroethane C2Cl6 67-72-1 236.7[4] 431.28[6] 3,937[6]
CFC R-111 Pentachlorofluoroethane C2FCl5 354-56-3 1[8] 220.3[4] 135[5]
CFC R-112 1,1,2,2-Tetrachloro-1,2-difluoroethane C2F2Cl4 76-12-0 1[8] 203.8[4]
CFC R-112a 1,1,1,2-Tetrachloro-2,2-difluoroethane C2F2Cl4 76-11-9 1[a] 203.8[4]
CFC R-113 1,1,2-Trichlorotrifluoroethane C2F3Cl3 76-13-1 85[1][2] 1.0[2] 6,130[1] 1,000[7] A1[7] 2,600[7] 20[7] 187.4[4] 48[13] 214.06[6] 3,392[6]
CFC R-113a 1,1,1-Trichlorotrifluoroethane C2F3Cl3 354-58-5 1[a] 187.4[4]
CFC R-114 1,2-Dichlorotetrafluoroethane C2F4Cl2 76-14-2 300[1][2] 1.0[2] 10,000[1] 1,000[7] A1[7] 20,000[7] 140[7] 170.9[4] 3.5[5] 145.68[6] 3,257[6]
CFC R-114a 1,1-Dichlorotetrafluoroethane C2F4Cl2 374-07-2 1[a] 170.9[4]
H R-114B2 1,2-Dibromotetrafluoroethane C2F4Br2 124-73-2 20[1][2] 11.5[2] 1,640[1] 259.8[4] 47.3[5] 214.67[6]
CFC R-115 Chloropentafluoroethane C2F5Cl 76-15-3 1,700[1][2] 0.44[2] 7,370[1] 1,000[7] A1[7] 120,000[7] 760[7] 154.5[4] −39.1[5] 79.95[6] 3,120[6]
PFC R-116 Hexafluoroethane C2F6 76-16-4 10,000[1] 0[9] 12,200[1] 1,000[7] A1[7] 97,000[7] 550[7] 138[4] −78.2[5] 19.88[6] 3,042[6]
HCC R-120 Pentachloroethane C2HCl5 76-01-7 202.3[4]
HCFC R-121 1,1,2,2-Tetrachloro-1-fluoroethane C2HFCl4 354-14-3 0.01-0.04[10] 185.8[4]
HCFC R-121a 1,1,1,2-Tetrachloro-2-fluoroethane C2HFCl4 354-11-0 0.01-0.04[b] 185.8[4]
HCFC R-122 1,1,2-Trichloro-2,2-difluoroethane C2HF2Cl3 354-21-2 0.02-0.08[10] 169.4[4]
HCFC R-122a 1,1,2-Trichloro-1,2-difluoroethane C2HF2Cl3 354-15-4 0.02-0.08[b] 169.4[4]
HCFC R-122b 1,1,1-Trichloro-2,2-difluoroethane C2HF2Cl3 354-12-1 0.02-0.08[b] 169.4[4]
HCFC R-123 2,2-Dichloro-1,1,1-trifluoroethane C2HF3Cl2 306-83-2 1.3[1][2] 0.02[2] 77[1] 50[7] B1[7] 9,100[7] 57[7] 152.9[4] 27.6[5] 183.68[6] 3,662[6]
HCFC R-123a 1,2-Dichloro-1,1,2-trifluoroethane C2HF3Cl2 354-23-4 1.3?[c] 0.02?[b] 77?[c] 152.9[4]
HCFC R-123b 1,1-Dichloro-1,2,2-trifluoroethane C2HF3Cl2 812-04-4 1.3?[c] 0.02?[b] 77?[c] 152.9[4]
HCFC R-124 2-Chloro-1,1,1,2-tetrafluoroethane C2HF4Cl 2837-89-0 5.8[1][2] 0.022[2] 609[1] 1,000[7] A1[7] 10,000[7] 56[7] 136.5[4] −12[13] 122.28[6] 3,624[6]
HCFC R-124a 1-Chloro-1,1,2,2-tetrafluoroethane C2HF4Cl 354-25-6 5.8?[c] 0.022?[b] 609?[c] 136.5[4]
HFC R-125 Pentafluoroethane C2HF5 354-33-6 29[1] 0[9] 3,500[1] 1,000[7] A1[7] 75,000[7] 370[7] 120[4] −48.5[5] 66.18[6] 3,629[6]
HFC R-E125 Pentafluorodimethyl ether C2HF5O 3822-68-2 136[1] 0[d] 14,900[1] 136[4]
HCC R-130 1,1,2,2-Tetrachloroethane C2H2Cl4 79-34-5 167.8[4] 146.5[5] 388.06[6] 5,840[6]
HCC R-130a 1,1,1,2-Tetrachloroethane C2H2Cl4 630-20-6 167.8[4] 130.5[5]
HCFC R-131 1,1,2-Trichloro-2-fluoroethane C2H2FCl3 359-28-4 0.007-0.05[10] 151.4[4]
HCFC R-131a 1,1,2-Trichloro-1-fluoroethane C2H2FCl3 811-95-0 0.007-0.05[b] 151.4[4]
HCFC R-131b 1,1,1-Trichloro-2-fluoroethane C2H2FCl3 2366-36-1 0.007-0.05[b] 151.4[4]
HCFC R-132 Dichlorodifluoroethane C2H2F2Cl2 25915-78-0 0.008-0.05[b] 134.9[4]
HCFC R-132a 1,1-Dichloro-2,2-difluoroethane C2H2F2Cl2 471-43-2 0.008-0.05[b] 134.9[4]
HCFC R-132b 1,2-Dichloro-1,1-difluoroethane C2H2F2Cl2 1649-08-7 0.008-0.05[10] 134.9[4]
HCFC R-132c 1,1-Dichloro-1,2-difluoroethane C2H2F2Cl2 1842-05-3 0.008-0.05[b] 134.9[4]
H R-132bB2 1,2-Dibromo-1,1-difluoroethane C2H2Br2F2 75-82-1 0.2-1.5[8] 223.8[4]
HCFC R-133 1-Chloro-1,2,2-Trifluoroethane C2H2F3Cl 431-07-2 0.02-0.06[b] 118.5[4]
HCFC R-133a 1-Chloro-2,2,2-Trifluoroethane C2H2F3Cl 75-88-7 0.02-0.06[10] 118.5[4]
HCFC R-133b 1-Chloro-1,1,2-Trifluoroethane C2H2F3Cl 421-04-5 0.02-0.06[b] 118.5[4]
HFC R-134 1,1,2,2-Tetrafluoroethane C2H2F4 359-35-3 9.6[1] 0[9] 1,100[1] 102[4]
HFC R-134a 1,1,1,2-Tetrafluoroethane C2H2F4 811-97-2 14[1] 0[9][11] 1,430[1] 1,000[7] A1[7] 50,000[7] 210[7] 102[4] −26.3[5] 101.06[6] 4,059[6]
HFC R-E134 Bis(difluoromethyl)ether C2H2F4O 1691-17-4 26[1] 0[d] 6,320[1] 118[4]
HCC R-140 1,1,2-Trichloroethane C2H3Cl3 79-00-5 133.4[4] 112.5±2.5[5]
HCC R-140a 1,1,1-Trichloroethane (Methyl chloroform) C2H3Cl3 or CH3CCl3 71-55-6 5.0[1][2] 0.12[2] 146[1] 133.4[4] 74[5]
HCFC R-141 1,2-Dichloro-1-fluoroethane C2H3FCl2 430-57-9 9.3?[c] 0.12?[b] 725?[c] 116.9[4]
H R-141B2 1,2-Dibromo-1-fluoroethane C2H3Br2F 358-97-4 0.1-1.7[8] 205.9[4]
HCFC R-141a 1,1-Dichloro-2-fluoroethane C2H3FCl2 430-53-5 9.3?[c] 0.12?[b] 725?[c] 116.9[4]
HCFC R-141b 1,1-Dichloro-1-fluoroethane C2H3FCl2 1717-00-6 9.3[1][2] 0.12[2] 725[1] 500[7] A2? 2,600[7] 12[7] 116.9[4] 32[5][13] 204.2[6] 4,250[6]
HCFC R-142 Chlorodifluoroethane C2H3F2Cl 25497-29-4 17.9?[c] 0.07?[b] 2,310?[c] 100.5[4]
HCFC R-142a 1-Chloro-1,2-difluoroethane C2H3F2Cl 25497-29-4 17.9?[c] 0.07?[b] 2,310?[c] 100.5[4]
HCFC R-142b 1-Chloro-1,1-difluoroethane C2H3F2Cl 75-68-3 17.9[1][2] 0.07[2] 2,310[1] 1,000[7] A2[7] 20,000[7] 83[7] 100.5[4] −10[5][13] 137.1[6] 4,123[6]
HFC R-143 1,1,2-Trifluoroethane C2H3F3 430-66-0 3.5[1] 0[9] 353[1] 84[4]
HFC R-143a 1,1,1-Trifluoroethane C2H3F3 420-46-2 52[1] 0[9] 4,470[1] 1,000[7] A2L[12] 21,000[7] 70[7] 84[4] −47.6[5] 72.89[6] 3,776[6]
HFC R-143m Methyl trifluoromethyl ether C2H3F3O 421-14-7 0[d] 100[4]
HFC R-E143a 2,2,2-Trifluoroethyl methyl ether C3H5F3O 460-43-5 4.3[1] 0[d] 756[1] 114.1[4]
HCC R-150 1,2-Dichloroethane C2H4Cl2 107-06-2 99[4] 84[5] 292.83[6] 5,370[6]
HCC R-150a 1,1-Dichloroethane C2H4Cl2 75-34-3 99[4] 57.2[5] 249.83[6] 5,070[6]
HCFC R-151 Chlorofluoroethane C2H4ClF 110587-14-9 82.5[4]
HCFC R-151a 1-Chloro-1-fluoroethane C2H4ClF 1615-75-4 82.5[4]
HFC R-152 1,2-Difluoroethane C2H4F2 624-72-6 0.60[1] 0[d] 53[1] 66[4]
HFC R-152a 1,1-Difluoroethane C2H4F2 75-37-6 1.4[1] 0[9][11] 124[1] 1,000[7] A2[7] 12,000[7] 32[7] 66[4] −25[5][13] 113.26[6] 4,517[6]
HCC R-160 Chloroethane (ethyl chloride) C2H5Cl 75-00-3 64.5[4] 12.3[5] 187.28[6] 5,268[6]
HFC R-161 Fluoroethane C2H5F 353-36-6 0.3[1] 0[d] 12[1] 48.1[4] 102.22[6] 4,702[6]
HC R-170 Ethane C2H6 or CH3CH3 74-84-0 12 ± 3[e] < 0(smog)[e] 5.5[1] 1,000[7] A3[7] 7,000[7] 8.7[7] 30.07[4] −88.6[5][16] 32.18[6] 4,872[6]
HC R-E170 Dimethyl ether CH3OCH3 115-10-6 0.015[1] < 0(smog)[e] 1[1] 1,000[7] A3[7] 8,500[7] 16[7] 46.1[4] −24[5]
CFC R-211 1,1,1,2,2,3,3-Heptachloro-3-fluoropropane C3FCl7 422-78-6 1[8] 303.2[4]
CFC R-212 Hexachlorodifluoropropane C3F2Cl6 76546-99-3 1[8] 286.7[4]
CFC R-213 1,1,1,3,3-Pentachloro-2,2,3-trifluoropropane C3F3Cl5 2354-06-5 1[8] 270.3[4]
CFC R-214 1,2,2,3-Tetrachloro-1,1,3,3-tetrafluoropropane C3F4Cl4 2268-46-4 1[8] 253.8[4]
CFC R-215 1,1,1-Trichloro-2,2,3,3,3-pentafluoropropane C3F5Cl3 4259-43-2 1[8] 237.4[4]
CFC R-216 1,2-Dichloro-1,1,2,3,3,3-hexafluoropropane C3F6Cl2 661-97-2 1[8] 220.9[4]
CFC R-216ca 1,3-Dichloro-1,1,2,2,3,3-hexafluoropropane C3F6Cl2 662-01-1 1[a] 220.9[4]
CFC R-217 1-Chloro-1,1,2,2,3,3,3-heptafluoropropane C3F7Cl 422-86-6 1[8] 204.5[4]
CFC R-217ba 2-Chloro-1,1,1,2,3,3,3-heptafluoropropane C3F7Cl 76-18-6 1[a] 204.5[4]
PFC R-218 Octafluoropropane C3F8 76-19-7 2,600[1] 0[9] 8,830[1] 1,000[7] A1[7] 90,000[7] 690[7] 188[4] −36.7[5]
HCFC R-221 1,1,1,2,2,3-Hexachloro-3-fluoropropane C3HFCl6 422-26-4 0.015-0.07[10] 268.7[4]
HCFC R-222 Pentachlorodifluoropropane C3HF2Cl5 134237-36-8 0.01-0.09[b] 252.3[4]
HCFC R-222c 1,1,1,3,3-Pentachloro-2,2-difluoropropane C3HF2Cl5 422-49-1 0.01-0.09[10] 252.3[4]
HCFC R-223 Tetrachlorotrifluoropropane C3HF3Cl4 134237-37-9 0.01-0.08[b] 235.8[4]
HCFC R-223ca 1,1,3,3-Tetrachloro-1,2,2-trifluoropropane C3HF3Cl4 422-52-6 0.01-0.08[10] 235.8[4]
HCFC R-223cb 1,1,1,3-Tetrachloro-2,2,3-trifluoropropane C3HF3Cl4 422-50-4 0.01-0.08[b] 235.8[4]
HCFC R-224 Trichlorotetrafluoropropane C3HF4Cl3 134237-38-0 0.01-0.09[b] 219.4[4]
HCFC R-224ca 1,3,3-Trichloro-1,1,2,2-tetrafluoropropane C3HF4Cl3 422-54-8 0.01-0.09[10] 219.4[4]
HCFC R-224cb 1,1,3-Trichloro-1,2,2,3-tetrafluoropropane C3HF4Cl3 422-53-7 0.01-0.09[b] 219.4[4]
HCFC R-224cc 1,1,1-Trichloro-2,2,3,3-tetrafluoropropane C3HF4Cl3 422-51-5 0.01-0.09[b] 219.4[4]
HCFC R-225 Dichloropentafluoropropane C3HF5Cl2 127564-92-5 0.01-0.05[b] 202.9[4]
HCFC R-225aa 2,2-Dichloro-1,1,1,3,3-pentafluoropropane C3HF5Cl2 128903-21-9 0.01-0.05[b] 202.9[4]
HCFC R-225ba 2,3-Dichloro-1,1,1,2,3-pentafluoropropane C3HF5Cl2 422-48-0 0.01-0.05[b] 202.9[4]
HCFC R-225bb 1,2-Dichloro-1,1,2,3,3-pentafluoropropane C3HF5Cl2 422-44-6 0.01-0.05[b] 202.9[4]
HCFC R-225ca 3,3-Dichloro-1,1,1,2,2-pentafluoropropane C3HF5Cl2 422-56-0 1.9[1][2] 0.02[2] 122[1] 202.9[4]
HCFC R-225cb 1,3-Dichloro-1,1,2,2,3-pentafluoropropane C3HF5Cl2 507-55-1 5.8[1][2] 0.03[2] 595[1] 202.9[4]
HCFC R-225cc 1,1-Dichloro-1,2,2,3,3-pentafluoropropane C3HF5Cl2 13474-88-9 0.01-0.05[b] 202.9[4]
HCFC R-225da 1,2-Dichloro-1,1,3,3,3-pentafluoropropane C3HF5Cl2 431-86-7 0.01-0.05[b] 202.9[4]
HCFC R-225ea 1,3-Dichloro-1,1,2,3,3-pentafluoropropane C3HF5Cl2 136013-79-1 0.01-0.05[b] 202.9[4]
HCFC R-225eb 1,1-Dichloro-1,2,3,3,3-pentafluoropropane C3HF5Cl2 111512-56-2 0.01-0.05[b] 202.9[4]
HCFC R-226 Chlorohexafluoropropane C3HF6Cl 134308-72-8 0.02-0.1[b] 186.5[4]
HCFC R-226ba 2-Chloro-1,1,1,2,3,3-hexafluoropropane C3HF6Cl 51346-64-6 0.02-0.1[b] 186.5[4]
HCFC R-226ca 3-Chloro-1,1,1,2,2,3-hexafluoropropane C3HF6Cl 422-57-1 0.02-0.1[b] 186.5[4]
HCFC R-226cb 1-Chloro-1,1,2,2,3,3-hexafluoropropane C3HF6Cl 422-55-9 0.02-0.1[b] 186.5[4]
HCFC R-226da 2-Chloro-1,1,1,3,3,3-hexafluoropropane C3HF6Cl 431-87-8 0.02-0.1[10] 186.5[4]
HCFC R-226ea 1-Chloro-1,1,2,3,3,3-hexafluoropropane C3HF6Cl 359-58-0 0.02-0.1[b] 186.5[4]
HFC R-227ca 1,1,2,2,3,3,3-Heptafluoropropane C3HF7 2252-84-8 0[d] 170[4]
HFC R-227ca2 Trifluoromethyl 1,1,2,2-tetrafluoroethyl ether C3HF7O 2356-61-8 0[d] 186[4]
HFC R-227ea 1,1,1,2,3,3,3-Heptafluoropropane C3HF7 431-89-0 34.2[1] 0[9][11] 3,220[1] 1,000[7] A1[7] 84,000[7] 580[7] 170[4] −16.4[5] 102.8[6] 2,980[6]
HFC R-227me Trifluoromethyl 1,2,2,2-tetrafluoroethyl ether C3HF7O 2356-62-9 11[2] 0[d] 1,540[2] 186[4]
HCFC R-231 Pentachlorofluoropropane C3H2FCl5 134190-48-0 0.05-0.09[10] 234.3[4]
HCFC R-232 Tetrachlorodifluoropropane C3H2F2Cl4 134237-39-1 0.008-0.1[10] 217.9[4]
HCFC R-232ca 1,1,3,3-Tetrachloro-2,2-difluoropropane C3H2F2Cl4 1112-14-7 0.008-0.1[b] 217.9[4]
HCFC R-232cb 1,1,1,3-Tetrachloro-2,2-difluoropropane C3H2F2Cl4 677-54-3 0.008-0.1[b] 217.9[4]
HCFC R-233 Trichlorotrifluoropropane C3H2F3Cl3 134237-40-4 0.007-0.23[10] 201.4[4]
HCFC R-233ca 1,1,3-Trichloro-2,2,3-trifluoropropane C3H2F3Cl3 131221-36-8 0.007-0.23[b] 201.4[4]
HCFC R-233cb 1,1,3-Trichloro-1,2,2-trifluoropropane C3H2F3Cl3 421-99-8 0.007-0.23[b] 201.4[4]
HCFC R-233cc 1,1,1-Trichloro-2,2,3-trifluoropropane C3H2F3Cl3 131211-71-7 0.007-0.23[b] 201.4[4]
HCFC R-234 Dichlorotetrafluoropropane C3H2F4Cl2 127564-83-4 0.01-0.28[b] 184.9[4]
HCFC R-234aa 2,2-Dichloro-1,1,3,3-tetrafluoropropane C3H2F4Cl2 17705-30-5 0.01-0.28[b] 184.9[4]
HCFC R-234ab 2,2-Dichloro-1,1,1,3-tetrafluoropropane C3H2F4Cl2 149329-24-8 0.01-0.28[b] 184.9[4]
HCFC R-234ba 1,2-Dichloro-1,2,3,3-tetrafluoropropane C3H2F4Cl2 425-94-5 0.01-0.28[10] 184.9[4]
HCFC R-234bb 2,3-Dichloro-1,1,1,2-tetrafluoropropane C3H2F4Cl2 149329-25-9 0.01-0.28[b] 184.9[4]
HCFC R-234bc 1,2-Dichloro-1,1,2,3-tetrafluoropropane C3H2F4Cl2 149329-26-0 0.01-0.28[b] 184.9[4]
HCFC R-234ca 1,3-Dichloro-1,2,2,3-tetrafluoropropane C3H2F4Cl2 70341-81-0 0.01-0.28[b] 184.9[4]
HCFC R-234cb 1,1-Dichloro-2,2,3,3-tetrafluoropropane C3H2F4Cl2 4071-01-6 0.01-0.28[b] 184.9[4]
HCFC R-234cc 1,3-Dichloro-1,1,2,2-tetrafluoropropane C3H2F4Cl2 422-00-5 0.01-0.28[b] 184.9[4]
HCFC R-234cd 1,1-Dichloro-1,2,2,3-tetrafluoropropane C3H2F4Cl2 70192-63-1 0.01-0.28[b] 184.9[4]
HCFC R-234da 2,3-Dichloro-1,1,1,3-tetrafluoropropane C3H2F4Cl2 146916-90-7 0.01-0.28[b] 184.9[4]
HCFC R-234fa 1,3-Dichloro-1,1,3,3-tetrafluoropropane C3H2F4Cl2 76140-39-1 0.01-0.28[b] 184.9[4]
HCFC R-234fb 1,1-Dichloro-1,3,3,3-tetrafluoropropane C3H2F4Cl2 64712-27-2 0.01-0.28[b] 184.9[4]
HCFC R-235 Chloropentafluoropropane C3H2F5Cl 134237-41-5 0.03-0.52[10] 168.5[4]
HCFC R-235ca 1-Chloro-1,2,2,3,3-pentafluoropropane C3H2F5Cl 28103-66-4 0.03-0.52[b] 168.5[4]
HCFC R-235cb 3-Chloro-1,1,1,2,3-pentafluoropropane C3H2F5Cl 422-02-6 0.03-0.52[b] 168.5[4]
HCFC R-235cc 1-Chloro-1,1,2,2,3-pentafluoropropane C3H2F5Cl 679-99-2 0.03-0.52[b] 168.5[4]
HCFC R-235da 2-Chloro-1,1,1,3,3-pentafluoropropane C3H2F5Cl 134251-06-2 0.03-0.52[b] 168.5[4]
HCFC R-235fa 1-Chloro-1,1,3,3,3-pentafluoropropane C3H2F5Cl 677-55-4 0.03-0.52[b] 168.5[4]
HFC R-236cb 1,1,1,2,2,3-Hexafluoropropane C3H2F6 677-56-5 13.6[1] 0[d] 1,340[1] 152[4] -1.5
HFC R-236ea 1,1,1,2,3,3-Hexafluoropropane C3H2F6 431-63-0 10.7[1] 0[9] 1,370[1] 152[4] 139.29[6] 3,502[6]
HFC R-236fa 1,1,1,3,3,3-Hexafluoropropane C3H2F6 690-39-1 240[1] 0[9] 9,810[1] 1,000[7] A1[7] 55,000[7] 340[7] 152[4] −1.05±.35[5] 124.92[6] 3,200[6]
HFC R-236me 1,2,2,2-Tetrafluoroethyl difluoromethyl ether C3H2F6O 57041-67-5 5.8[2] 0[d] 989[2] 168[4]
HFC R-FE-36 Hexafluoropropane C3H2F6 359-58-0 0[d] 152[4]
HCFC R-241 Tetrachlorofluoropropane C3H3FCl4 134190-49-1 0.004-0.09[10] 199.9[4]
HCFC R-242 Trichlorodifluoropropane C3H3F2Cl3 134237-42-6 0.005-0.13[10] 183.4[4]
HCFC R-243 Dichlorotrifluoropropane C3H3F3Cl2 134237-43-7 0.007-0.12[10] 167[4]
HCFC R-243ca 1,3-Dichloro-1,2,2-trifluoropropane C3H3F3Cl2 67406-68-2 0.007-0.12[b] 167[4]
HCFC R-243cb 1,1-Dichloro-2,2,3-trifluoropropane C3H3F3Cl2 70192-70-0 0.007-0.12[b] 167[4]
HCFC R-243cc 1,1-Dichloro-1,2,2-trifluoropropane C3H3F3Cl2 7125-99-7 0.007-0.12[b] 167[4]
HCFC R-243da 2,3-Dichloro-1,1,1-trifluoropropane C3H3F3Cl2 338-75-0 0.007-0.12[b] 167[4]
HCFC R-243ea 1,3-Dichloro-1,2,3-trifluoropropane C3H3F3Cl2 151771-08-3 0.007-0.12[b] 167[4]
HCFC R-243ec 1,3-Dichloro-1,1,2-trifluoropropane C3H3F3Cl2 149329-27-1 0.007-0.12[b] 167[4]
HCFC R-244 Chlorotetrafluoropropane C3H3F4Cl 134190-50-4 0.009-0.14[10] 150.5[4]
HCFC R-244ba 2-Chloro-1,2,3,3-tetrafluoropropane C3H3F4Cl 0.009-0.14[b] 150.5[4]
HCFC R-244bb 2-Chloro-1,1,1,2-tetrafluoropropane C3H3F4Cl 421-73-8 0.009-0.14[b] 150.5[4]
HCFC R-244ca 3-Chloro-1,1,2,2-tetrafluoropropane C3H3F4Cl 679-85-6 0.009-0.14[b] 150.5[4]
HCFC R-244cb 1-Chloro-1,2,2,3-tetrafluoropropane C3H3F4Cl 67406-66-0 0.009-0.14[b] 150.5[4]
HCFC R-244cc 1-Chloro-1,1,2,2-tetrafluoropropane C3H3F4Cl 421-75-0 0.009-0.14[b] 150.5[4]
HCFC R-244da 2-Chloro-1,1,3,3-tetrafluoropropane C3H3F4Cl 19041-02-2 0.009-0.14[b] 150.5[4]
HCFC R-244db 2-Chloro-1,1,1,3-tetrafluoropropane C3H3F4Cl 117970-90-8 0.009-0.14[b] 150.5[4]
HCFC R-244ea 3-Chloro-1,1,2,3-tetrafluoropropane C3H3F4Cl 0.009-0.14[b] 150.5[4]
HCFC R-244eb 3-Chloro-1,1,1,2-tetrafluoropropane C3H3F4Cl 0.009-0.14[b] 150.5[4]
HCFC R-244ec 1-Chloro-1,1,2,3-tetrafluoropropane C3H3F4Cl 0.009-0.14[b] 150.5[4]
HCFC R-244fa 3-Chloro-1,1,1,3-tetrafluoropropane C3H3F4Cl 0.009-0.14[b] 150.5[4]
HCFC R-244fb 1-Chloro-1,1,3,3-tetrafluoropropane C3H3F4Cl 2730-64-5 0.009-0.14[b] 150.5[4]
HFC R-245ca 1,1,2,2,3-Pentafluoropropane C3H3F5 679-86-7 6.2[1] 0[9] 693[1] 134[4] 174.42[6] 3,925[6]
HFC R-245cb Pentafluoropropane C3H3F5 1814-88-6 0[d] 134[4]
HFC R-245ea 1,1,2,3,3-Pentafluoropropane C3H3F5 24270-66-4 0[d] 134[4]
HFC R-245eb 1,1,1,2,3-Pentafluoropropane C3H3F5 431-31-2 0[d] 134[4]
HFC R-245fa 1,1,1,3,3-Pentafluoropropane C3H3F5 460-73-1 7.6[1] 0[9][11] 1,030[1] 300[7] B1[7] 34,000[7] 190[7] 134[4] 15[13] 154.05[6] 3,640[6]
HFC R-245mc Methyl pentafluoroethyl ether C3H3F5O 22410-44-2 0[d] 150[4]
HFC R-245mf Difluoromethyl 2,2,2-trifluoroethyl ether C3H3F5O 1885-48-9 2.2[2] 0[d] 286[2] 150[4]
HFC R-245qc Difluoromethyl 1,1,2-trifluoroethyl ether C3H3F5O 69948-24-9 0[d] 150[4]
HCFC R-251 Trichlorofluoropropane C3H4FCl3 134190-51-5 0.001-0.01[10] 165.4[4]
HCFC R-252 Dichlorodifluoropropane C3H4F2Cl2 134190-52-6 0.005-0.04[10] 149[4]
HCFC R-252ca 1,3-Dichloro-2,2-difluoropropane C3H4F2Cl2 1112-36-3 0.005-0.04[b] 149[4]
HCFC R-252cb 1,1-Dichloro-2,2-difluoropropane C3H4F2Cl2 1112-01-2 0.005-0.04[b] 149[4]
HCFC R-252dc 1,2-Dichloro-1,1-difluoropropane C3H4F2Cl2 0.005-0.04[b] 149[4]
HCFC R-252ec 1,1-Dichloro-1,2-difluoropropane C3H4F2Cl2 0.005-0.04[b] 149[4]
HCFC R-253 Chlorotrifluoropropane C3H4F3Cl 134237-44-8 0.003-0.03[10] 132.5[4]
HCFC R-253ba 2-Chloro-1,2,3-trifluoropropane C3H4F3Cl 0.003-0.03[b] 132.5[4]
HCFC R-253bb 2-Chloro-1,1,2-trifluoropropane C3H4F3Cl 0.003-0.03[b] 132.5[4]
HCFC R-253ca 1-Chloro-2,2,3-trifluoropropane C3H4F3Cl 56758-54-4 0.003-0.03[b] 132.5[4]
HCFC R-253cb 1-Chloro-1,2,2-trifluoropropane C3H4F3Cl 70192-76-6 0.003-0.03[b] 132.5[4]
HCFC R-253ea 3-Chloro-1,1,2-trifluoropropane C3H4F3Cl 0.003-0.03[b] 132.5[4]
HCFC R-253eb 1-Chloro-1,2,3-trifluoropropane C3H4F3Cl 0.003-0.03[b] 132.5[4]
HCFC R-253ec 1-Chloro-1,1,2-trifluoropropane C3H4F3Cl 0.003-0.03[b] 132.5[4]
HCFC R-253fa 3-Chloro-1,3,3-trifluoropropane C3H4F3Cl 0.003-0.03[b] 132.5[4]
HCFC R-253fb 3-Chloro-1,1,1-trifluoropropane C3H4F3Cl 460-35-5 0.003-0.03[b] 132.5[4]
HCFC R-253fc 1-Chloro-1,1,3-trifluoropropane C3H4F3Cl 0.003-0.03[b] 132.5[4]
HFC R-254cb 1,1,2,2-Tetrafluoropropane C3H4F4 40723-63-5 0[d] 116.1[4]
HFC R-254pc Methyl 1,1,2,2-tetrafluoroethyl ether C3H4F4O 425-88-7 2.6[1] 0[d] 359[1] 132.1[4]
HCFC R-261 Dichlorofluoropropane C3H5FCl2 134237-45-9 0.002-0.02[b] 131[4]
HCFC R-261ba 1,2-Dichloro-2-fluoropropane C3H5FCl2 420-97-3 0.002-0.02[10] 131[4]
HCFC R-262 Chlorodifluoropropane C3H5F2Cl 134190-53-7 0.002-0.02[10] 114.5[4]
HCFC R-262ca 1-Chloro-2,2-difluoropropane C3H5F2Cl 420-99-5 0.002-0.02[b] 114.5[4]
HCFC R-262fa 3-Chloro-1,1-difluoropropane C3H5F2Cl 0.002-0.02[b] 114.5[4]
HCFC R-262fb 1-Chloro-1,3-difluoropropane C3H5F2Cl 0.002-0.02[b] 114.5[4]
HFC R-263 Trifluoropropane C3H5F3 0[d] 98.1[4]
HCFC R-271 Chlorofluoropropane C3H6FCl 134190-54-8 0.001-0.03[10] 96.5[4]
HCFC R-271b 2-Chloro-2-fluoropropane C3H6FCl 420-44-0 0.001-0.03[b] 96.5[4]
HCFC R-271d 2-Chloro-1-fluoropropane C3H6FCl 0.001-0.03[b] 96.5[4]
HCFC R-271fb 1-Chloro-1-fluoropropane C3H6FCl 0.001-0.03[b] 96.5[4]
HFC R-272 Difluoropropane C3H6F2 0[d] 80.1[4]
HFC R-281 Fluoropropane C3H7F 0[d] 62.1[4]
HC R-290 Propane C3H8 or CH3CH2CH3 74-98-6 12 ± 3[e] < 0(smog)[e] 3.3[1] 1,000[7] A3[7] 5,300[7] 9.5[7] 44.1[4] −42.1±.2[5] 96.7[6] 4,248[6]
CFC R-C316 Dichlorohexafluorocyclobutane C4Cl2F6 356-18-3 232.9[4]
CFC R-C317 Chloroheptafluorocyclobutane C4ClF7 377-41-3 216.5[4]
PFC R-C318 Octafluorocyclobutane (Perfluorocyclobutane) C4F8 or -(CF2)4- 115-25-3 3,200[1] 0[9] 10,300[1] 1,000[7] A1[7] 69,000[7] 570[7] 200[4] −6[5][13] 115.23[6] 2,777[6]
PFC R-3-1-10 Decafluorobutane (Perfluorobutane) C4F10 355-25-9 2,600[1] 0[9] 8,860[1] 238[4] −1.7[5]
HFC R-329ccb 1,1,1,2,2,3,3,4,4-Nonafluorobutane C4HF9 375-17-7 0[d] 220[4]
HFC R-338eea 1,1,1,2,3,4,4,4-Octafluorobutane C4H2F8 75995-72-1 0[d] 202[4]
HFC R-347ccd 1,1,1,2,2,3,3-Heptafluorobutane C4H3F7 662-00-0 0[d] 184.1[4]
HFC R-347mcc Perfluoropropyl methyl ether C4H3F7O 375-03-1 5.2[1] 0[d] 575[1] 200.1[4]
HFC R-347mmy Perfluoroisopropyl methyl ether C4H3F7O 22052-84-2 3.4[2] 0[d] 343[2] 200.1[4]
HFC R-365mfc 1,1,1,3,3-Pentafluorobutane C4H5F5 406-58-6 8.6[1] 0[9][11] 794[1] 148.1[4]
PFC R-4-1-12 Dodecafluoropentane (Perfluoropentane) C5F12 678-26-2 4,100[1] 0[9] 9,160[1] 288[4]
PFC R-5-1-14 Tetradecafluorohexane (Perfluorohexane) C6F14 355-42-0 3,200[1] 0[9] 9,300[1] 338[4] 56[5]
CFC R-400 R-12/114(50/50 wt%) OR
(60/40)(must be specified)		 50% CCl2F2 · 50% C2F4Cl2 OR
60% CCl2F2 · 40% C2F4Cl2		 200[17] OR
180[17]		 1.0[18] 10,450[17]
10,540[17]		 1,000[7] A1[7]
1,000[7] A1[7]		 28,000[7]
30,000[7]		 160[7]
170[7]		 141.6[4]
136.9[4]
HCFC R-401A R-22/152a/124 (53±2/13+.5,-1.5/34±1) 53±2% CHClF2 · 13+.5,-1.5% C2H4F2 · 34±1% C2HF4Cl MP-39[6][19] 8.514[17] 0.03398[18] 1,182[17] 1,000[7] A1[7] 27,000[7] 110[7] 94.4[4] -34.4/-28.8[13] 105.27[6] 4,613[6]
HCFC R-401B R-22/152a/124 (61±2/11+.5,-1.5/28±1) 61±2% CHClF2 · 11+.5,-1.5% C2H4F2 · 28±1% C2HF4Cl MP-66[6][19] 9.098[17] 0.03666[18] 1,288[17] 1,000[7] A1[7] 30,000[7] 120[7] 92.8[4] -35.7/-30.8[13] 103.54[6] 4,682[6]
HCFC R-401C R-22/152a/124 (33±2/15+.5,-1.5/52±1) 33±2% CHClF2 · 15+.5,-1.5% C2H4F2 · 52±1% C2HF4Cl MP-52[19] 7.186[17] 0.02794[18] 933[17] 1,000[7] A1[7] 20,000[7] 84[7] 101[4] -30.5/-23.8[13]
HCFC R-402A R-125/290/22 (60±2/2±1/38±2) 60±2% C2HF5 · 2±1% C3H8 · 38±2%  CHClF2 HP-80[6][19] 22.2?[17] 0.019[18] 2,788[17] 1,000[7] A1[7] 33,000[7] 140[7] 101.5[4] -49.2/-47.0[13] 76.03[6] 4,234[6]
HCFC R-402B R-125/290/22 (38±2/2±1/60±2) 38±2% C2HF5 · 2±1% C3H8 · 60±2% CHClF2 HP-81[6][19] 18.46?[17] 0.03[18] 2,416[17] 1,000[7] A1[7] 63,000[7] 240[7] 94.7[4] -47.2/-44.9[13] 83.03[6] 4,525[6]
HCFC R-403A R-290/22/218 (5+.2,-2/75±2/20±0) 5+.2,-2% C3H8 · 75±2% CHClF2 · 20±0% C3F8 ISCEON 69-S[6] 529.6?[17] 0.0375[18] 3,124[17] 1,000[7] A2[20] 33,000[7] 120[7] 92[4] -44.0/-42.3[13] 91.22[6] 4,688[6]
HCFC R-403B R-290/22/218 (5+.2,-2/56±2/39±0) 5+.2,-2% C3H8 · 56±2% CHClF2 · 39±0% C3F8 ISCEON 69-L[6] 1,021.32?[17] 0.028[18] 4,457[17] 1,000[7] A1[7] 70,000[7] 290[7] 103.3[4] -43.8/-42.3[13] 88.72[6] 4,399[6]
HFC R-404A R-125/143a/134a (44±2/52±1/4±2) 44±2% C2HF5 · 52±1% C2H3F3 · 4±2% C2H2F4 HP-62,[6][19] FX-70[6][19] 40.36[17] 0[18] 3,922[17] 1,000[7] A1[7] 130,000[7] 500[7] 97.6[4] -46.6/-45.8[13] 72.14[6] 3,735[6]
HCFC R-405A R-22/152a/142b/C318 (45±0/7±1/5.5±1/42.5±2) 45±0% CHClF2 · 7±1% C2H4F2 · 5.5±1% C2H3F2Cl · 42.5±2% C4F8 GREENCOOL G2015[6] 1,366.4825[17] 0.02635[18] 5,328[17] 1,000[7] A1? 57,000[7] 260[7] 111.9[4] -32.9/-24.5[13] 106[6] 4,289[6]
HCFC R-406A R-22/600a/142b (55±2/4±1/41±0) 55±2% CHClF2 · 4±1% C4H10 · 41±0% C2H3F2Cl GHG[6][19] 14.419?[17] 0.0562[18] 1,943[17] 1,000[7] A2[7] 21,000[7] 25[7] 89.9[4] -32.7/-23.5[13] 116.5[6] 4,881[6]
HCFC R-406B R-22/600a/142b (65±2/4±1/31±0) 65±2% CHClF2 · 4±1% C4H10 · 31±0% C2H3F2Cl GHG-HP[6] 13.829?[17] 0.0542[18] 1,893[17] 1,000? A2? 21,000? 25? 88.6[4]
HFC R-407A R-32/125/134a (20±2/40±2/40±2) 20±2% CH2F2 · 40±2% C2HF5 · 40±2% C2H2F4 Klea 60[6][19] 18.18[17] 0[18] 2,107[17] 1,000[7] A1[7] 83,000[21] 300[21] 90.1[4] -45.2/-38.7[13] 81.91[6] 4,487[6]
HFC R-407B R-32/125/134a (10±2/70±2/20±2) 10±2% CH2F2 · 70±2% C2HF5 · 20±2% C2H2F4 Klea 61[6] 23.59[17] 0[18] 2,804[17] 1,000[7] A1[7] 79,000[21] 330[21] 102.9[4] -46.8/-42.4[13] 74.38[6] 4,083[6]
HFC R-407C R-32/125/134a (23±2/25±2/52±2) 23±2% CH2F2 · 25±2% C2HF5 · 52±2% C2H2F4 Klea 66,[6] AC9000[19] 15.657[17] 0[18] 1,774[17] 1,000[7] A1[7] 81,000[21] 290[21] 86.2[4] -43.8/-36.7[13] 86.05[6] 4,634[6]
HFC R-407D R-32/125/134a (15±2/15±2/70±2) 15±2% CH2F2 · 15±2% C2HF5 · 70±2% C2H2F4 14.885[17] 0[18] 1,627[17] 1,000[7] A1[7] 68,000[21] 250[21] 91[4] -39.4/-32.7[13] 91.57[6] 4,483[6]
HFC R-407E R-32/125/134a (25±2/15±2/60±2) 25±2% CH2F2 · 15±2% C2HF5 · 60±2% C2H2F4 13.975[17] 0[18] 1,552[17] 1,000[7] A1[7] 80,000[21] 280[21] 83.8[4] -42.8/-35.6[13] 88.77[6] 4,734[6]
HFC R-407F R-32/125/134a (30±2/30±2/40±2) 30±2% CH2F2 · 30±2% C2HF5 · 40±2% C2H2F4 Genetron Performax LT[19] 15.77[17] 0[18] 1,825[17] 1,000[22] A1[22] 95,000[21] 320[21] 82.1[4] -46.1/-39.7[22]
HCFC R-408A R-125/143a/22 (7±2/46±1/47±2) 7±2% C2HF5 · 46±1% C2H3F3 · 47±2% CHClF2 FX-10[6][19] 31.59[17] 0.0235[18] 3,152[17] 1,000[7] A1[7] 95,000[7] 340[7] 87[4] -45.5/-45.0[13] 83.5[6] 4,340[6]
HCFC R-409A R-22/124/142b (60±2/25±2/15±1) 60±2% CHClF2 · 25±2% C2HF4Cl · 15±1% C2H3F2Cl FX-56[6][19] 11.335[17] 0.046[18] 1,585[17] 1,000[7] A1[7] 29,000[7] 110[7] 97.4[4] -35.4/-27.5[13] 106.92[6] 4,600[6]
HCFC R-409B R-22/124/142b (65±2/25±2/10±1) 65±2% CHClF2 · 25±2% C2HF4Cl · 10±1% C2H3F2Cl FX-57[6] 11.04[17] 0.045[18] 1,560[17] 1,000[7] A1[7] 30,000[7] 120[7] 96.7[4] -36.5/-29.7[13] 104.36[6] 4,711[6]
HFC R-410A R-32/125 (50+.5,–1.5/50+1.5,–.5) 50+.5,–1.5% CH2F2 · 50+1.5,–.5% C2HF5 AZ-20,[6] Puron,[6] Suva 9100[6] 16.95[17] 0[18] 2,088[17] 1,000[7] A1[7] 140,000[21] 420[21] 72.6[4] -51.6/-51.5[13] 70.17[6] 4,770[6]
HFC R-410B R-32/125 (45±1/55±1) 45±1% CH2F2 · 55±1% C2HF5 AC9100[19] 18.155[17] 0[18] 2,229[17] 1,000? A1[7] 140,000[21] 430[21] 75.6[4] -51.5/-51.4[13]
HCFO R-411A R-1270/22/152a (1.5+0,–1/87.5+2,–0/11+0,–1) 1.5+0,–1% C3H6 · 87.5+2,–0% CHClF2 · 11+0,–1% C2H4F2 GREENCOOL G2018a[6] 10.834[17] 0.04375[18] 1,597[17] 990[7] A2[7] 14,000[7] 46[7] 82.4[4] -39.7/-37.2[13] 99.06[6] 4,954[6]
HCFO R-411B R-1270/22/152a (3+0,–1/94+2,–0/3+0,–1) 3+0,–1% C3H6 · 94+2,–0% CHClF2 · 3+0,–1% C2H4F2 GREENCOOL G2018b[6] 11.682[17] 0.047[18] 1,705[17] 980[7] A2[7] 13,000[7] 45[7] 83.1[4] -41.6/-41.3[13] 95.95[6] 4,947[6]
HCFO R-411C R-1270/22/152a (3+0,–1/95.5+2,–0/1.5+0,–1) 3+0,–1% C3H6 · 95.5+2,–0% CHClF2 · 1.5+0,–1% C2H4F2 GREENCOOL G2018c[6] 11.841[17] 0.04775[18] 1,730[17] 970? A2? 12,000? 44? 83.4[4] 95.5[6] 4,950[6]
HCFC R-412A R-22/218/142b (70±2/5±2/25±1) 70±2% CHClF2 · 5±2% C3F8 · 25±1% C2H3F2Cl Arcton TP5R[6] 142.875[17] 0.0525[18] 2,286[17] 1,000[7] A2[7] 22,000[7] 82[7] 92.2[4] -36.4/-28.8[13] 107.5[6] 4,881[6]
HFC R-413A R-218/134a/600a (9±1/88±2/3+0,–1) 9±1% C3F8 · 88±2% C2H2F4 · 3+0,–1% C4H10 ISCEON 49[6] 246.68?[17] 0[18] 2,053[17] 1,000[7] A2[7] 22,000[7] 94[7] 104[4] -29.3/-27.6[13] 101.39[6] 4,240[6]
HCFC R-414A R-22/124/600a/142b (51±2/28.5±2/4±.5/16.5+.5,–1) 51±2% CHClF2 · 28.5±2% C2HF4Cl · 4±.5% C4H10 · 16.5+.5,–1% C2H3F2Cl GHG-X4,[6] Autofrost,[6] Chill-It[6] 11.2065?[17] 0.04332[18] 1,478[17] 1,000[7] A1[7] 26,000[7] 100[7] 96.9[4] -34.0/-25.8[13] 110.72[6] 4,702[6]
HCFC R-414B R-22/124/600a/142b (50±2/39±2/1.5±.5/9.5+.5,–1) 50±2% CHClF2 · 39±2% C2HF4Cl · 1.5±.5% C4H10 · 9.5+.5,–1% C2H3F2Cl Hot Shot,[6][19] Kar Kool[6] 10.1425?[17] 0.04023[18] 1,362[17] 1,000[7] A1[7] 23,000[7] 95[7] 101.5[4] -34.4/-26.1[13] 108[6] 4,592[6]
HCFC R-415A R-22/152a (82±1/18±1) 82±1% CHClF2 · 18±1% C2H4F2 10.092[17] 0.041[18] 1,507[17] 1,000[7] A2[7] 57,000[7] 190[7] 81.9[4] -37.5/-34.7[13]
HCFC R-415B R-22/152a (25±1/75±1) 25±1% CHClF2 · 75±1% C2H4F2 4.05[17] 0.0125[18] 546[17] 1,000[7] A2[7] 52,000[7] 120[7] 70.2[4] -23.4/-21.8[13]
HCFC R-416A R-134a/124/600 (59+.5,–1/39.5+1,–.5/1.5+1,–.2) 59+.5,-1% C2H2F4 · 39.5+1,–.5% C2HF4Cl · 1.5+1,–.2% C4H10 FRIGC (FR-12)[6] 10.731?[17] 0.00869[18] 1,084[17] 1,000[7] A1[7] 14,000[7] 62[7] 111.9[4] -38.0/-32.9[13] 108.22[6] 4,020[6]
HFC R-417A R-125/134a/600 (46.6±1.1/50±1/3.4+.1,–.4) 46.6±1.1% C2HF5 · 50±1% C2H2F4 · 3.4+.1,–.4% C4H10 ISCEON 59,[6] NU-22[6] 20.922?[17] 0[18] 2,346[17] 1,000[7] A1[7] 13,000[7] 56[7] 106.7[4] -41.2/-40.1[13] 89.89[6] 4,102[6]
HFC R-417B R-125/134a/600 (79±1/18.3±1/2.7+.1,–.5) 79±1% C2HF5 · 18.3±1% C2H2F4 · 2.7+.1,–.5% C4H10 25.796?[17] 0[18] 3,027[17] 1,000[22] A1[22] 15,000[22] 70[22] 113.1[4] -44.9/-41.5[22]
HCFC R-418A R-290/22/152a (1.5±.5/96±1/2.5±.5) 1.5±.5% C3H8 · 96±1% CHClF2 · 2.5±.5% C2H4F2 11.735?[17] 0.048[18] 1,741[17] 1,000[7] A2[7] 59,000[7] 200[7] 84.6[4] -42.6/-36.0[13]
HFC R-419A R-125/134a/E170 (77±1/19±1/4±1) 77±1% C2HF5 · 19±1% C2H2F4 · 4±1% C2H6O 24.9906[17] 0[18] 2,967[17] 1,000[7] A2[7] 70,000[7] 310[7] 109.3[4] -25.0/-24.2[13]
HCFC R-420A R-134a/142b (88+1,–0/12+0,–1) 88+1,–0% C2H2F4 · 12+0,–1% C2H3F2Cl Choice Refrigerant[19] 14.468[17] 0.0084[18] 1,548[17] 1,000[7] A1[7] 45,000[7] 190[7] 101.8[4] -34.4/-28.8[13]
HFC R-421A R-125/134a (58±1/42±1) 58±1% C2HF5 · 42±1% C2H2F4 Choice R421A[19] 22.7[17] 0[18] 2,631[17] 1,000[7] A1[7] 61,000[7] 280[7] 111.7[4]
HFC R-421B R-125/134a (85±1/15±1) 85±1% C2HF5 · 15±1% C2H2F4 Choice 421B[19] 26.75[17] 0[18] 3,190[17] 1,000[7] A1[7] 69,000[7] 330[7] 116.9[4]
HFC R-422A R-125/134a/600a (85.1±1/11.5±1/3.4+.1,–.4) 85.1±1% C2HF5 · 11.5±1% C2H2F4 · 3.4+.1,–.4% C4H10 ISCEON 79[19] 26.697?[17] 0[18] 3,143[17] 1,000[7] A1[7] 63,000[7] 290[7] 113.6[4]
HFC R-422B R-125/134a/600a (55±1/42±1/3+.1,–.5) 55±1% C2HF5 · 42±1% C2H2F4 · 3+.1,–.5% C4H10 ICOR XAC1[19] 22.19?[17] 0[18] 2,526[17] 1,000[7] A1[7] 56,000[7] 250[7] 108.5[4]
HFC R-422C R-125/134a/600a (82±1/15±1/3+.1,–.5) 82±1% C2HF5 · 15±1% C2H2F4 · 3+.1,–.5% C4H10 ICOR XLT1[19] 26.24?[17] 0[18] 3,085[17] 1,000[7] A1[7] 62,000[7] 290[7] 113.4[4]
HFC R-422D R-125/134a/600a (65.1+.9,–1.1/31.5±1/3.4+.1,–.4) 65.1+.9,–1.1% C2HF5 · 31.5±1% C2H2F4 · 3.4+.1,–.4% C4H10 ISCEON MO29[19] 23.697?[17] 0[18] 2,729[17] 1,000[7] A1[7] 58,000[7] 260[7] 109.9[4]
HFC R-423A R-134a/227ea (52.5±1/47.5±1) 52.5±1% C2H2F4 · 47.5±1% C3HF7 23.595[17] 0[18] 2,280[17] 1,000[7] A1[7] 59,000[7] 310[7] 126[4]
HFC R-424A R-125/134a/600a/600/601a (50.5±1/47±1/.9+.1,–.2/1+.1,+.2/.6+.1,–.2) 50.5±1% C2HF5 · 47±1% C2H2F4 · 1.9+.3,–.1% C4H10 · .6+.1,–.2% C5H12 RS-44 (new comp.)[19] 21.525?[17] 0[18] 2,440?[17] 970[7] A1[7] 23,000[7] 100[7] 108.4[4]
HFC R-425A R-32/134a/227ea (18.5±.5/69.5±.5/12±.5) 18.5±.5% CH2F2 · 69.5±.5% C2H2F4 · 12±.5% C3HF7 14.7405[17] 0[18] 1,505[17] 1,000[7] A1[7] 72,000[21] 260[21] 90.3[4]
HFC R-426A R-125/134a/600/601a (5.1±1/93±1/1.3+.1,–.2/.6+.1,–.2) 5.1±1% C2HF5 · 93±1% C2H2F4 · 1.3+.1,–.2% C4H10 · .6+.1,–.2% C5H12 RS-24 (new comp.)[19] 14.727?[17] 0[18] 1,508?[17] 990[7] A1[7] 20,000[7] 83[7] 101.6[4]
HFC R-427A R-32/125/143a/134a (15±2/25±2/10±2/50±2) 15±2% CH2F2 · 25±2% C2HF5 · 10±2% C2H3F3 · 50±2% C2H2F4 Forane 427A[19] 20.185[17] 0[18] 2,138[17] 1,000[7] A1[7] 79,000[21] 290[21] 90.4[4]
HFC R-428A R-125/143a/290/600a (77.5±1/20±1/.6+.1,–.2/1.9+.1,–.2) 77.5±1% C2HF5 · 20±1% C2H3F3 · .6+.1,–.2% C3H8 · 1.9+.1,–.2% C4H10 RS-52[19] 33.175?[17] <0(smog)[18] 3,607[17] 1,000[7] A1[7] 83,000[23] 370[23] 107.5[4]
HFC R-429A R-E170/152a/600a (60±1/10±1/30±1) 60±1% C2H6O · 10±1% C2H4F2 · 30±1% C4H10 3.749?[17] <0(smog)[18] 13.9[17] 1,000[7] A3[7] 6,300[7] 13[7] 50.8[4]
HFC R-430A R-152a/600a (76±1/24±1) 76±1% C2H4F2 · 24±1% C4H10 3.944?[17] 0[18] 95[17] 1,000[7] A3[7] 8,000[7] 21[7] 64[4]
HFC R-431A R-290/152a (71±1/29±1) 71±1% C3H8 · 29±1% C2H4F2 8.926?[17] <0(smog)[18] 38.3[17] 1,000[7] A3[7] 5,500[7] 11[7] 48.8[4]
HO R-432A R-1270/E170 (80±1/20±1) 80±1% C3H6 · 20±1% C2H6O 9.603?[17] <0(smog)[18] 1.64[17] 710[7] A3[7] 1,200[7] 2.1[7] 42.8[4]
HO R-433A R-1270/290 (30±1/70±1) 30±1% C3H6 · 70±1% C3H8 12 ± 3[e] < 0(smog)[e] 2.85[17] 880[7] A3[7] 3,100[7] 5.5[7] 43.5[4] -44.6/-44.2?
HO R-433B R-1270/290 (5±1/95±1) 5±1% C3H6 · 95±1% C3H8 12 ± 3[e] < 0(smog)[e] 3.23[17] 950[24] A3[24] 4,500[24] 8.1[24] 44[4] -42.7/-42.5[24]
HO R-433C R-1270/290 (25±1/75±1) 25±1% C3H6 · 75±1% C3H8 12 ± 3[e] < 0(smog)[e] 2.93[17] 790[24] A3[24] 3,600[24] 6.6[24] 43.6[4] -44.3/-43.9[24]
HFC R-434A R-125/143a/134a/600a (63.2±1/18±1/16±1/2.8+.1,–.2) 63.2±1% C2HF5 · 18±1% C2H3F3 · 16±1% C2H2F4 · 2.8+.1,–.2% C4H10 RS-45[19] 30.264?[17] 0[18] 3,245[17] 1,000[7] A1[7] 73,000[7] 320[7] 105.7[4] -45.0/-42.3[25]
HFC R-435A R-E170/152a (80±1/20±1) 80±1% C2H6O · 20±1% C2H4F2 0.292[17] <0(smog)[18] 25.6[17] 1,000[7] A3[7] 8,500[7] 17[7] 49[4] -26.1/-25.9[7]
HC R-436A R-290/600a (56±1/44±1) 56±1% C3H8 · 44±1% C4H10 12 ± 3[e] <0(smog)[18] 3.17[17] 1,000[7] A3[7] 4,000[7] 8[7] 49.3[4] -34.3/-26.2[7]
HC R-436B R-290/600a (52±1/48±1) 52±1% C3H8 · 48±1% C4H10 12 ± 3[e] <0(smog)[18] 3.16[17] 1,000[7] A3[7] 4,000[7] 8[7] 49.9[4] -33.4/-25.0[7]
HFC R-437A R-125/134a/600/601 (19.5+.5,–1.8/78.5+1.5,–.7/1.4+.1,–.2/.6+.1,–.2) 19.5+.5,–1.8% C2HF5 · 78.5+1.5,–.7% C2H2F4 · 1.4+.1,–.2% C4H10 · .6+.1,–.2% C5H12 16.885?[17] 0[18] 1,805?[17] 990[7] A1[7] 19,000[7] 81[7] 103.7[4] -32.9/-29.2[7]
HFC R-438A R-32/125/134a/600/601a (8.5+.5,-1.5/45±1.5/44.2±1.5/1.7+.1,-.2/.6+.1,-.2) 8.5+.5,-1.5% CH2F2 · 45±1.5% C2HF5 · 44.2±1.5% C2H2F4 · 1.7+.1,-.2% C4H10 · .6+.1,-.2% C5H12 KDD5,[19] ISCEON MO99[19] 19.9305?[17] 0[18] 2,265?[17] 990[20] A1[20] 20,000[21] 79[21] 99.1[4] -43.0/-36.4[20]
HFC R-439A R-32/125/600a (50±1/47±1/3±.5) 50±1% CH2F2 · 47±1% C2HF5 · 3±.5% C4H10 16.44?[17] 0[18] 1,983[17] 990[12] A2[12] 26,000[12] 76[12] 71.2[4] -52.0/-51.8[12]
HFC R-440A R-290/134a/152a (.6±.1/1.6±.6/97.8±.5) .6±.1% C3H8 · 1.6±.6% C2H2F4 · 97.8±.5% C2H4F2 1.6652?[17] <0(smog)[18] 144[17] 1,000[12] A2[12] 12,000[12] 31[12] 66.2[4] -25.5/-24.3[12]
HC R-441A R-170/290/600a/600 (3.1±.3/54.8±2/6±.6/36.1±2) 3.1±.3% C2H6 · 54.8±2% C3H8 · 42.1±2.6% C4H10 HCR-188C[19] 12 ± 3[e] <0(smog)[18] 3.6[17] 1,000[12] A3[12] 3,200[12] 6.3[12] 48.3[4] -41.9/-20.4[12]
HCFC R-500 R-12/152a (73.8/26.2) 73.8% CCl2F2 · 26.2% C2H4F2 Carrene #7[6] 74.1668[17] 0.738[18] 8,077[17] 1,000[7] A1[7] 30,000[7] 120[7] 99.3[4] −33/0[13] 102.15[6] 4,173[6]
HCFC R-501 R-22/12 (75/25) 75% CHClF2 · 25% CCl2F2 34[17] 0.2875[18] 4,083[17] 1,000[7] A1[7] 54,000[7] 210[7] 93.1[4] −41/-41[13] 96.19[6] 4,764[6]
HCFC R-502 R-22/115 (48.8/51.2) 48.8% CHClF2 · 51.2% C2F5Cl 876.256[17] 0.24968[18] 4,657[17] 1,000[7] A1[7] 73,000[7] 330[7] 111.6[4] −45/19[13] 80.73[6] 4,019[6]
HCFC R-503 R-23/13 (40.1/59.9) 40.1% CHF3 · 59.9% CClF3 491.63[17] 0.599[18] 14,560[17] 1,000[7] A1? 40,000? 200? 87.2[4] −88/88[13] 18.43[6] 4,265[6]
HCFC R-504 R-32/115 (48.2/51.8) 48.2% CH2F2 · 51.8% C2F5Cl 882.9618[17] 0.22792[18] 4,143[17] 1,000[7] A1? 140,000[21] 450[21] 79.2[4] −57/17[13] 62.13[6] 4,439[6]
HCFC R-505 R-12/31 (78/22) 78% CCl2F2 · 22% CH2FCl 78.0836+[17] 0.7844[18] 8,504+[17] 350? B2? 10,000? 20? 103.5[4] −30/115[13] 117.78[6] 4,730[6]
HCFC R-506 R-31/114 (55.1/44.9) 55.1% CH2FCl · 44.9% C2F4Cl2 134.90938+[17] 0.46002[18] 4,495+[17] 350? B2? 10,000? 20? 93.7[4] −12/18[13] 142.22[6] 5,157[6]
HFC R-507[A] R-125/143a (50/50) 50% C2HF5 · 50% C2H3F3 AZ-50[6][19] 40.5[17] 0[18] 3,985[17] 1,000[7] A1[7] 130,000[7] 520[7] 98.9[4] −46.7/-40[13] 70.74[6] 3,715[6]
HFC R-508[A] R-23/116 (39/61) 39% CHF3 · 61% C2F6 Klea 5R3[6][19] 6,205.3[17] 0[18] 13,214[17] 1,000[7] A1[7] 55,000[7] 220[7] 100.1[4] −86/-86[13] 11.01[6] 3,701[6]
HFC R-508B R-23/116 (46/54) 46% CHF3 · 54% C2F6 Suva 95[6][19] 5,524.2[17] 0[18] 13,396[17] 1,000[7] A1[7] 52,000[7] 200[7] 95.4[4] −88.3/-45.6[13] 12.06[6] 3,834[6]
HCFC R-509[A] R-22/218 (44/56) 44% CHClF2 · 56% C3F8 Arcton TP5R2[6] 1,461.28[17] 0.022[18] 5,741[17] 1,000[7] A1[7] 75,000[7] 390[7] 124[4] −47/0[13] 87.22[6] 4,033[6]
HC R-510[A] R-E170/600a (88±.5/12±.5) 88±.5% C2H6O · 12±.5% C4H10 1.4532?[17] <0(smog)[18] 1.24[17] 1,000[7] A3[7] 7,300[7] 14[7] 47.2[4] −25.2/-25.2[7]
HC R-511[A] R-290/E170 (95±1/5±1) 95±1% C3H8 · 5±1% C2H6O 11.40075?[17] < 0(smog)[e] 3.19[17] 1,000[21] A3[21] 5,300[21] 9.5[21] 44.2[4] −42.1/-20-40[21]
HC R-600 Butane C4H10 or CH3CH2CH2CH3 106-97-8 12 ± 3[e] 0[11] 4.0[1] 1,000[7] A3[7] 4,000? 9.6? 58.1[4] 0[13]±1[5] 152.01[6] 3,796[6]
HC R-600a Isobutane C4H10 or CH(CH3)2CH3 75-28-5 12 ± 3[26][e] 0[11][27] 3[27] 1,000[7] A3[7] 4,000[7] 9.6[7] 58.1[4] −11.7[5] 134.7[6] 3,640[6]
HC R-601 Pentane C5H12 or CH3CH2CH2CH2CH3 109-66-0 12 ± 3[e] 0[11] 4 ± 2[f] 600[7] A3[25] 1,000[25] 2.9[25] 72.1[4] 36.1[25]±.2[5] 196.56[6] 3,358[6]
HC R-601a Isopentane C5H12 or (CH3)2CHCH2CH3 78-78-4 12 ± 3[e] 0[11] 4 ± 2[f] 600[7] A3[7] 1,000[7] 2.9[7] 72.1[4] 27.7[5] 187.78[6] 3,378[6]
HC R-610 Ethoxyethane (Diethyl ether) CH3CH2OCH2CH3 60-29-7 12 ± 3[e] < 0(smog)[e] 4 ± 2[f] 400[7] A3? 74.1[4] 34.6[5] 193.65[6] 3,640[6]
HC R-611 Methyl formate HCOOCH3 107-31-3 12 ± 3[e] 0[11][27] < 25[11][27] 100[7] B2[7] 60.1[4] 32[5][13] 213.55[6] 6,000[6]
R-630 Methylamine CH3NH2 74-89-5 31.1[4] −6[5] 156.89[6] 7,460[6]
R-631 Ethylamine CH3CH2(NH2) 75-04-7 45.1[4] 16.6[5] 183[6] 5,620[6]
R-702 Hydrogen H2 1333-74-0 5.8[1] A3[7] 2.016[4] −252.87[5] −239.95[15] 1,300[15]
R-704 Helium He 7440-59-7 Unlimited[g] 0[g] 0[g] 9,340? A1[7] 4.002[4] −268.93[5] −267.96[15] 227[15]
R-717 Ammonia NH3 7664-41-7 < 0.019165[28] 0[28] 0[28] 25[7] B2L[12] 320[7] 0.22[7] 17.03[4] −33.34[5] 132.4[29] 11,280[29]
R-718 Water/Steam H2O 7732-18-5 0.026 0[30] 0.2 ± 0.2[1] A1[7] 18.02[4] 100[13] 373.946[15] 22,060[15]
R-720 Neon Ne 7440-01-9 Unlimited[g] 0[g] 0[g] 9,340? A1[7] 20.18[4] −246.08[5] −228.75[15] 2,760[15]
R-728 Nitrogen N2 7727-37-9 Unlimited[g] 0[g] 0[g] A1[7] 28.01[4] −195.79[5] −146.9[15] 3,390[15]
R-729 Air N2/O2/Ar (78.082/20.945/.934 vol%) 78.082% N2 · 20.945% O2 · .934% Ar Unlimited[g] 0[30][g] 0.00054+[1] A1? 28.97[4] −192.97? −140.53[6] 3,785[6]
R-732 Oxygen O2 7782-44-7 Unlimited[g] < 0[g] 0[g] A1? 32[4] −182.95[5] −118.6[15] 5,050[15]
R-740 Argon Ar 7440-37-1 Unlimited[g] 0[g] 0[g] 9,340? A1[7] 39.95[4] −185.85[5] −122.4[15] 4,870[15]
R-744 Carbon dioxide CO2 124-38-9 29.3k-36.1k[31] 0[11] 1[1] 5,000[7] A1[7] 40,000[7] 72[7] 44[4] −78[5][13] 31.04[15] 7,380[15]
R-744A Nitrous oxide N2O 10024-97-2 114[1] 0.017[14] 298[1] A1? 44[4] −88.48[5] 36.4[15] 7,240[15]
R-764 Sulfur dioxide SO2 7446-09-5 5[32] B1[7] 100[32] 0.262[32] 64.1[4] −10[5][13] 157.65[6] 7,880[6]
R-784 Krypton Kr 7439-90-9 Unlimited[g] 0[g] 0[g] 9,340? A1? 83.80[4] −153.22[5] −63.8[15] 5,500[15]
CFO R-1112a 1,1-Dichloro-2,2-difluoroethylene C2Cl2F2 79-35-6 132.9[4]
CFO R-1113 Chlorotrifluoroethylene C2ClF3 79-38-9 116.5[4] −27.8[5]
PFO R-1114 Tetrafluoroethylene C2F4 116-14-3 0[d] 100[4] −76.3[5]
HCO R-1120 Trichloroethylene (trielene) C2HCl3 79-01-6 131.4[4] 87.2[5] 297.78[6] 4,909[6]
HCO R-1130 cis-1,2-Dichloroethylene C2H2Cl2 156-59-2 0[11] < 25[11] 96.9[4] 60.3[5] 243.28[6] 5,481[6]
HFO R-1132a 1,1-Difluoroethylene C2H2F2 75-38-7 0[d] 64[4] 29.7[6] 4,458[6]
HCO R-1140 Chloroethylene (vinyl chloride) C2H3Cl 75-01-4 100? B3[3] 62.5[4] −13.4[5] 151.83[6] 5,150[6]
HFO R-1141 Fluoroethylene (vinyl fluoride) C2H3F 75-02-5 0[d] 46[4] −72.2[5]
HO R-1150 Ethene (Ethylene) CH2=CH2 74-85-1 12 ± 3[e] < 0(smog)[e] 3.7[1] 200[7] A3[7] 28.05[4] −103.7[5] 9.19[6] 5,040[6]
PFO R-1216 Hexafluoropropylene C3F6 116-15-4 1,000+[1][2] 0[d] 17,340+[1] 150[4] −28[5]
PFO R-1218 Hexafluoropropene trimer (C3F6)3 6792-31-0 0[d] 450.1[4]
HCFO R-1233zd 1-Chloro-3,3,3-trifluoropropene C3H2ClF3 2730-43-0 130.5[4]
HFO R-1234yf 2,3,3,3-Tetrafluoropropene C3H2F4 754-12-1 0.030116[33] 0[27] 4[27][33] 500[34] A2L[12] 16,000[35] 75[35] 114[4] −29.4[35]
HFO R-1234ze 1,3,3,3-Tetrafluoropropene C3H2F4 1645-83-6 0[27] 6[27] 800[21] A2L[21] 16,000[21] 75[21] 114[4] −19.0[5][21]
HO R-1270 Propene (Propylene) C3H6 or CH3CH=CH2 115-07-1 12 ± 3[e] < 0(smog)[e] 1.8[1] 500[7] A3[7] 1,000[7] 1.7[7] 42.1[4] −47.6[5] 92.42[6] 4,665[6]
Type ASHRAE
Number		 IUPAC Chemical Name Molecular
Formula		 CAS
registry
number/
Blend
Name		 Atmospheric
Lifetime
(years)		 Semi-
Empirical
ODP		 net
GWP
100-yr		 OEL/PEL
ppm (v/v) &
ASHRAE 34
Safety
Group		 RCL/
IDLH
ppm
(v/v)		 RCL/
IDLH
g/m3		 Molecular
mass
u		 Normal
Boiling OR
Bubble/Dew
/Azeotropic
Point(s) °C		 Critical
Temp.
°C		 Critical
Pressure
(absolute)
kPa

Type and flammability

Legends
Types / Prefixes[36]
Type Meaning Atoms in the Molecule
CFC Chlorofluorocarbon Cl, F, C
CFO Chlorofluoroolefin
HCFC Hydrochlorofluorocarbon H, Cl, F, C
HCFO Hydrochlorofluoroolefin
HFC Hydrofluorocarbon H, F, C
HFO Hydrofluoroolefin
HCC Hydrochlorocarbon H, Cl, C
HCO Hydrochloroolefin
HC Hydrocarbon H, C
HO Hydroolefin (Alkene)
PFC Perfluorocarbon F, C
PFO Perfluoroolefin
PCC Perchlorocarbon Cl, C
PCO Perchloroolefin
H Halon/Haloalkane Br, Cl (in some but not all), F, H (in some but not all), C
Safety Classification of Refrigerants[37]
Flammability in Air @ 60 °C & 101.3 kPa ASHRAE 34 Safety group
Higher Flammability
LFL or ETFL60 ≤ 100 g/m3 OR HOC ≥ 19 MJ/kg[38]		 A3 B3
Lower Flammability
LFL or ETFL60 > 100 g/m3 & HOC < 19 MJ/kg[38]		 A2 B2
Lower Flammability
LFL or ETFL60 > 100 g/m3 & HOC < 19 MJ/kg[38]
with a maximum burning velocity of ≤ 10 cm/s		 A2L B2L
No flame Propagation A1 B1
Flammability in Air @ 60 °C & 101.3 kPa Lower Toxicity
OEL ≥ 400 ppm[22]		 Higher Toxicity
OEL < 400 ppm[22]

LFL = Lower Flammability Limit
ETFL60 = Elevated Temperature Flame Limit @ 60 °C
HOC = Heat Of Combustion

Compounds used as refrigerants may be described using either the appropriate prefix above or with the prefixes "R-" or "Refrigerant." Thus, CFC-12 may also be written as R-12 or Refrigerant 12.
An alkene, olefin, or olefine is an unsaturated chemical compound containing at least one carbon-to-carbon double bond.[39]

Educated Estimates
  1. ^ a b c d e Some CFCs are assumed to be similar in terms of Semi-Empirical ODP being one.[2][8]
  2. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd be bf bg bh bi bj bk bl bm bn bo bp bq br bs bt bu bv bw bx by bz ca cb cc cd ce cf cg ch ci cj ck cl cm cn co cp cq cr cs Some HCFCs are assumed to be similar in terms of Semi-Empirical ODP.[2][10]
  3. ^ a b c d e f g h i j k l m n Some HCFCs are assumed to be similar in terms of Atmospheric Lifetime[1][2] & net GWP over a 100-year time horizon.[1][2]
  4. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag All HFCs, HFOs, PFCs & PFOs are assumed to be similar in terms of Semi-Empirical ODP being zero.[9][11]
  5. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z Most hydrocarbons are assumed to be similar to Methane in terms of Atmospheric Lifetime being 12 ± 3 years[1] & Semi-Empirical ODP being < 0(smog chemistry).[14]
  6. ^ a b c Pentane, Isopentane & Ethoxyethane (Diethyl ether) is assumed to have a net GWP over 100-yr to be 4 ± 2.
  7. ^ a b c d e f g h i j k l m n o p q r s t Air, nitrogen, oxygen & the noble gases are assumed to have an unlimited Atmospheric Lifetime, a Semi-Empirical ODP of zero (except oxygen being slightly less than zero) & net GWP over 100-yr to be zero (except air being the sum of its parts).

See also

References

  1. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd be bf bg bh bi bj bk bl bm bn bo bp bq br bs bt bu bv bw bx by bz ca cb cc cd ce cf cg ch ci cj ck cl cm cn co cp cq cr cs ct cu cv cw cx cy cz da db dc dd de df dg dh di dj dk dl dm dn do dp dq dr Forster, P.M.F.; Ramaswamy, V. (2007). "Changes in Atmospheric Constituents and in Radiative Forcing" (PDF). IPCC: Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change [Solomon, S., D. Qin, M. Manning, Z. Chen, M. Marquis, K.B. Averyt, M.Tignor and H.L. Miller (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA. Retrieved 2010-12-16. {{cite web}}: External link in |publisher= and |work= (help); Unknown parameter |coauthors= ignored (|author= suggested) (help)CS1 maint: extra punctuation (link)
    Forster, P.M.F.; Ramaswamy, V. (1 December 2008). "Errata for the Working Group I Fourth Assessment Report" (PDF). IPCC: Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change [Solomon, S., D. Qin, M. Manning, Z. Chen, M. Marquis, K.B. Averyt, M.Tignor and H.L. Miller (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA. Retrieved 2010-12-28. {{cite web}}: External link in |publisher= and |work= (help); Unknown parameter |coauthors= ignored (|author= suggested) (help)CS1 maint: extra punctuation (link)
  2. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc Daniel, J.S.; Velders, G.J.M. (February 2007). "Halocarbon Scenarios, Ozone Depletion Potentials, and Global Warming Potentials" (PDF). Scientific Assessment of Ozone Depletion: 2006. World Meteorological Organization, 7bis, avenue de la Paix, Case postale No. 2300, CH-1211 Geneva 2, Switzerland. Retrieved 2010-12-16. {{cite web}}: External link in |publisher= and |work= (help); Unknown parameter |coauthors= ignored (|author= suggested) (help)CS1 maint: extra punctuation (link)
  3. ^ a b "ANSI/ASHRAE Addenda 34a-34f ANSI/ASHRAE Addendum 34h ANSI/ASHRAE Addenda 34j-34l ANSI/ASHRAE Addenda 34o-34p Addenda to ANSI/ASHRAE Standard 34-1997" (PDF). Standards Addenda ANSI/ASHRAE Standard 34-1997, Designation and Safety Classification of Refrigerants. American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. 1791 Tullie Circle NE, Atlanta, GA 30329-2305. 2000-11-15. ISSN 1041-2336. Retrieved 2011-12-18. {{cite web}}: External link in |publisher= and |work= (help)
  4. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd be bf bg bh bi bj bk bl bm bn bo bp bq br bs bt bu bv bw bx by bz ca cb cc cd ce cf cg ch ci cj ck cl cm cn co cp cq cr cs ct cu cv cw cx cy cz da db dc dd de df dg dh di dj dk dl dm dn do dp dq dr ds dt du dv dw dx dy dz ea eb ec ed ee ef eg eh ei ej ek el em en eo ep eq er es et eu ev ew ex ey ez fa fb fc fd fe ff fg fh fi fj fk fl fm fn fo fp fq fr fs ft fu fv fw fx fy fz ga gb gc gd ge gf gg gh gi gj gk gl gm gn go gp gq gr gs gt gu gv gw gx gy gz ha hb hc hd he hf hg hh hi hj hk hl hm hn ho hp hq hr hs ht hu hv hw hx hy hz ia ib ic id ie if ig ih ii ij ik il im in io ip iq ir is it iu iv iw ix iy iz ja jb jc jd je jf jg jh ji jj jk jl jm jn jo jp jq jr js jt ju jv jw jx jy jz ka kb kc kd ke kf kg kh ki kj kk kl km kn ko kp kq kr ks kt ku kv kw kx ky kz la lb lc ld le lf lg lh li lj lk ll lm ln lo lp lq lr ls lt lu lv lw lx ly lz ma mb mc md me mf mg Calculation using the following reference:
    Wieser1, Michael E.; Coplen2, Tyler B. (2009), written at 1Department of Physics and Astronomy, University of Calgary, Calgary, Canada; 2U.S. Geological Survey, Reston, VA, USA, "Atomic weights of the elements 2009 (IUPAC Technical Report)" (PDF), Pure and Applied Chemistry, 83 (2), Glasgow, Scotland: 45th International Union of Pure and Applied Chemistry General Assembly (published 2011): 359–396, doi:10.1351/PAC-REP-10-09-14, ISSN 0033-4545, OCLC 701088353, retrieved 2011-12-18{{citation}}: CS1 maint: location (link) CS1 maint: numeric names: authors list (link)
  5. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd be bf bg bh bi bj bk bl bm bn bo bp bq br bs bt bu bv bw bx Wikipedia:Chemical infobox#References
  6. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd be bf bg bh bi bj bk bl bm bn bo bp bq br bs bt bu bv bw bx by bz ca cb cc cd ce cf cg ch ci cj ck cl cm cn co cp cq cr cs ct cu cv cw cx cy cz da db dc dd de df dg dh di dj dk dl dm dn do dp dq dr ds dt du dv dw dx dy dz ea eb ec ed ee ef eg eh ei ej ek el em en eo ep eq er es et eu ev ew ex ey ez fa fb fc fd fe ff fg fh fi fj fk fl fm fn fo fp fq fr fs ft fu fv fw fx fy fz ga gb gc gd ge gf gg gh gi gj gk gl gm gn go gp gq gr gs gt gu gv gw gx gy gz ha hb hc hd he hf hg hh hi hj hk hl hm hn ho hp hq hr hs ht hu hv hw hx hy hz ia Schoen, J. Andrew, "Listing of Refrigerants" (PDF), Andy's HVAC/R Web Page. Numerous links to HVAC/R sites. Psychrometric software, retrieved 2011-12-17 {{citation}}: External link in |work= (help)
  7. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd be bf bg bh bi bj bk bl bm bn bo bp bq br bs bt bu bv bw bx by bz ca cb cc cd ce cf cg ch ci cj ck cl cm cn co cp cq cr cs ct cu cv cw cx cy cz da db dc dd de df dg dh di dj dk dl dm dn do dp dq dr ds dt du dv dw dx dy dz ea eb ec ed ee ef eg eh ei ej ek el em en eo ep eq er es et eu ev ew ex ey ez fa fb fc fd fe ff fg fh fi fj fk fl fm fn fo fp fq fr fs ft fu fv fw fx fy fz ga gb gc gd ge gf gg gh gi gj gk gl gm gn go gp gq gr gs gt gu gv gw gx gy gz ha hb hc hd he hf hg hh hi hj hk hl hm hn ho hp hq hr hs ht hu hv hw hx hy hz ia ib ic id ie if ig ih ii ij ik il im in io ip iq ir is it iu iv iw ix iy iz ja jb jc jd je jf jg jh ji jj jk jl jm jn jo jp jq jr js jt ju jv jw jx jy jz ka kb kc kd ke kf kg kh ki kj kk kl km kn ko kp kq kr ks kt ku kv kw kx ky kz la lb lc ld le lf lg lh li lj lk ll lm ln lo lp lq lr ls lt lu lv lw lx ly lz ma mb mc md me mf mg mh mi mj mk ml mm mn mo mp mq mr ms mt mu mv mw mx my mz na nb nc nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns nt nu nv nw nx "ANSI/ASHRAE Addenda m, n, o, p, q, r, s, t, u, and v to ANSI/ASHRAE Standard 34-2007" (PDF). Standards Addenda ANSI/ASHRAE Standard 34-2007, Designation and Safety Classification of Refrigerants. American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. 1791 Tullie Circle NE, Atlanta, GA 30329-2305. 2008-06-26. ISSN 1041-2336. Retrieved 2011-12-18. {{cite web}}: External link in |publisher= and |work= (help)
  8. ^ a b c d e f g h i j k l m n "Class I Ozone-depleting Substances". Science - Ozone Layer Protection. US EPA. 2007. Retrieved 2010-12-16.
  9. ^ a b c d e f g h i j k l m n o p q r s t u v w "Global Warming Potentials of ODS Substitutes". Science - Ozone Layer Protection. US EPA. 2007. Retrieved 2010-12-16.
  10. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab "Class II Ozone-depleting Substances". Science - Ozone Layer Protection. US EPA. 2007. Retrieved 2010-12-16.
  11. ^ a b c d e f g h i j k l m n o p Montreal Protocol on Substances that Deplete the Ozone Layer: 2006 Report of the Rigid and Flexible Foams Technical Options Committee (FTOC); 2006 Assessment (PDF), United Nations Environment Programme (UNEP) Ozone Secretariat P.O. Box 30552 Nairobi, Kenya, March 2007, ISBN 978-92-807-2826-2, retrieved 2010-12-16 {{citation}}: External link in |publisher= (help)
  12. ^ a b c d e f g h i j k l m n o p q r s "ANSI/ASHRAE Addenda e, f, g, and h to ANSI/ASHRAE Standard 34-2010" (PDF). Standards Addenda ANSI/ASHRAE Standard 34-2010, Designation and Safety Classification of Refrigerants. American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. 1791 Tullie Circle NE, Atlanta, GA 30329-2305. 2011-02-03. ISSN 1041-2336. Retrieved 2011-12-18. {{cite web}}: External link in |publisher= and |work= (help)
  13. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd be "ANSI/ASHRAE Addenda d, j, l, m, and t to ANSI/ASHRAE Standard 34-2004" (PDF). Standards Addenda ANSI/ASHRAE Standard 34-2004, Designation and Safety Classification of Refrigerants. American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. 1791 Tullie Circle NE, Atlanta, GA 30329-2305. 2007-03-03. ISSN 1041-2336. Retrieved 2011-12-18. {{cite web}}: External link in |publisher= and |work= (help)
  14. ^ a b c Ravishankara, A. R.; Daniel, John S.; Portmann, Robert W. (2009-08-27), written at Chemical Sciences Division, Earth System Research Laboratory, National Oceanic and Atmospheric Administration, 325 Broadway, Boulder, CO 80305, USA., "Supporting Online Material for - Nitrous Oxide (N2O): The Dominant Ozone-Depleting Substance Emitted in the 21st Century" (PDF), Supporting Online Material, Science Magazine, vol. 326, no. 5949, 1200 New York Avenue NW Washington, DC 20005: American Association for the Advancement of Science, pp. 123–125, doi:10.1126/science.1176985, PMID 19713491, Methane's influence on ozone is very dependent on altitude. In the troposphere and lower stratosphere it induces ozone production via "smog chemistry"(10), while at higher altitudes it causes ozone losses [...] The net effect is generally a gain in column ozone due to methane increases, both in the stratospheric column and total column(11). Thus, unlike for N2O, a calculated ODP for methane would likely be negative. {{citation}}: External link in |work= (help); Italic or bold markup not allowed in: |work= (help); line feed character in |quote= at position 134 (help)CS1 maint: location (link)
  15. ^ a b c d e f g h i j k l m n o p q r s t u v Critical point (thermodynamics)#Table of liquid–vapor critical temperature and pressure for selected substances
  16. ^ Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. p. 3.22. ISBN 0-8493-0486-5.
  17. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd be bf bg bh bi bj bk bl bm bn bo bp bq br bs bt bu bv bw bx by bz ca cb cc cd ce cf cg ch ci cj ck cl cm cn co cp cq cr cs ct cu cv cw cx cy cz da db dc dd de df dg dh di dj dk dl dm dn do dp dq dr ds dt du dv dw dx dy dz ea eb ec ed ee ef eg eh ei ej ek el em en eo ep eq er es et eu ev ew ex Blend Calculation using the following reference(s):
    1.Forster, P.M.F.; Ramaswamy, V. (2007). "Changes in Atmospheric Constituents and in Radiative Forcing" (PDF). IPCC: Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change [Solomon, S., D. Qin, M. Manning, Z. Chen, M. Marquis, K.B. Averyt, M.Tignor and H.L. Miller (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA. Retrieved 2010-12-16. {{cite web}}: External link in |publisher= and |work= (help); Unknown parameter |coauthors= ignored (|author= suggested) (help)CS1 maint: extra punctuation (link)
    Forster, P.M.F.; Ramaswamy, V. (1 December 2008). "Errata for the Working Group I Fourth Assessment Report" (PDF). IPCC: Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change [Solomon, S., D. Qin, M. Manning, Z. Chen, M. Marquis, K.B. Averyt, M.Tignor and H.L. Miller (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA. Retrieved 2010-12-28. {{cite web}}: External link in |publisher= and |work= (help); Unknown parameter |coauthors= ignored (|author= suggested) (help)CS1 maint: extra punctuation (link)
    2.Hydrocarbons are assumed to be similar to Methane in terms of Atmospheric Lifetime being 12 ± 3 years
    3.Pentane & Isopentane is assumed to have a net GWP over 100-yr to be 4 ± 2
  18. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd be bf bg bh bi bj bk bl bm bn bo bp bq br bs bt bu bv bw Blend Calculation using the following reference(s):
    1.Daniel, J.S.; Velders, G.J.M. (February 2007). "Halocarbon Scenarios, Ozone Depletion Potentials, and Global Warming Potentials" (PDF). Scientific Assessment of Ozone Depletion: 2006. World Meteorological Organization, 7bis, avenue de la Paix, Case postale No. 2300, CH-1211 Geneva 2, Switzerland. Retrieved 2010-12-16. {{cite web}}: External link in |publisher= and |work= (help); Unknown parameter |coauthors= ignored (|author= suggested) (help)CS1 maint: extra punctuation (link)
    2."Class I Ozone-depleting Substances". Science - Ozone Layer Protection. US EPA. 2007. Retrieved 2010-12-16.
    3."Global Warming Potentials of ODS Substitutes". Science - Ozone Layer Protection. US EPA. 2007. Retrieved 2010-12-16.
    4."Class II Ozone-depleting Substances". Science - Ozone Layer Protection. US EPA. 2007. Retrieved 2010-12-16.
    5.Montreal Protocol on Substances that Deplete the Ozone Layer: 2006 Report of the Rigid and Flexible Foams Technical Options Committee (FTOC); 2006 Assessment (PDF), United Nations Environment Programme (UNEP) Ozone Secretariat P.O. Box 30552 Nairobi, Kenya, March 2007, ISBN 978-92-807-2826-2, retrieved 2010-12-16 {{citation}}: External link in |publisher= (help)
    6.Hydrocarbons are assumed to be similar to Methane in terms of Semi-Empirical ODP being < 0(smog chemistry)
  19. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag Composition of Refrigerant Blends, US EPA, retrieved 2011-12-18
  20. ^ a b c d "ANSI/ASHRAE Addenda af and ag to ANSI/ASHRAE Standard 34-2007" (PDF). Standards Addenda ANSI/ASHRAE Standard 34-2007, Designation and Safety Classification of Refrigerants. American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. 1791 Tullie Circle NE, Atlanta, GA 30329-2305. 2009-06-25. ISSN 1041-2336. Retrieved 2011-12-18. {{cite web}}: External link in |publisher= and |work= (help)
  21. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah "ANSI/ASHRAE Addenda i, j, k, l, n, and o to ANSI/ASHRAE Standard 34-2010" (PDF). Standards Addenda ANSI/ASHRAE Standard 34-2010, Designation and Safety Classification of Refrigerants. American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. 1791 Tullie Circle NE, Atlanta, GA 30329-2305. 2011-06-30. ISSN 1041-2336. Retrieved 2011-12-18. {{cite web}}: External link in |publisher= and |work= (help)
  22. ^ a b c d e f g h i j "ANSI/ASHRAE Addenda a, b, and d to ANSI/ASHRAE Standard 34-2010" (PDF). Standards Addenda ANSI/ASHRAE Standard 34-2010, Designation and Safety Classification of Refrigerants. American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. 1791 Tullie Circle NE, Atlanta, GA 30329-2305. 2010-07-01. ISSN 1041-2336. Retrieved 2011-12-18. {{cite web}}: External link in |publisher= and |work= (help)
  23. ^ a b "ANSI/ASHRAE Addenda a, b, c, d, e, f, g, and h to ANSI/ASHRAE Standard 34-2007" (PDF). Standards Addenda ANSI/ASHRAE Standard 34-2007, Designation and Safety Classification of Refrigerants. American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. 1791 Tullie Circle NE, Atlanta, GA 30329-2305. 2007-06-28. ISSN 1041-2336. Retrieved 2011-12-18. {{cite web}}: External link in |publisher= and |work= (help)
  24. ^ a b c d e f g h i j "ANSI/ASHRAE Addenda x, y, aa, ab, ac, ad, and ae to ANSI/ASHRAE Standard 34-2007" (PDF). Standards Addenda ANSI/ASHRAE Standard 34-2007, Designation and Safety Classification of Refrigerants. American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. 1791 Tullie Circle NE, Atlanta, GA 30329-2305. 2009-01-29. ISSN 1041-2336. Retrieved 2011-12-18. {{cite web}}: External link in |publisher= and |work= (help)
  25. ^ a b c d e "ANSI/ASHRAE Addenda i, j, and k to ANSI/ASHRAE Standard 34-2007" (PDF). Standards Addenda ANSI/ASHRAE Standard 34-2007, Designation and Safety Classification of Refrigerants. American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. 1791 Tullie Circle NE, Atlanta, GA 30329-2305. 2008-01-24. ISSN 1041-2336. Retrieved 2011-12-18. {{cite web}}: External link in |publisher= and |work= (help)
  26. ^ PRODUCT SAFETY DATA SHEET - PRODUCT: RS-45 (R434A) (PDF), Refrigerant Solutions Limited, 8 Murieston Road, Hale, Altrincham, Cheshire WA15 9ST, 2001-10-01, retrieved 2011-12-16 {{citation}}: External link in |publisher= (help)
  27. ^ a b c d e f g h TRANSITIONING TO LOW-GWP - ALTERNATIVES IN DOMESTIC REFRIGERATION (PDF), US EPA, October 2010, retrieved 2011-12-17
  28. ^ a b c "II. ADVANTAGES OF AMMONIA AS A REFRIGERANT". Ammonia: The Natural Refrigerant of Choice (An IIAR Green Paper). IIAR: International Institute of Ammonia Refrigeration. Retrieved 2010-12-21. {{cite web}}: External link in |publisher= and |work= (help)
  29. ^ a b "Ammonia - NH3 - Properties". Engineering Toolbox. Retrieved 2011-12-18. {{cite web}}: External link in |publisher= (help)
  30. ^ a b "Refrigerants - Environment Properties". Engineering ToolBox. Retrieved 2011-12-27. {{cite web}}: External link in |publisher= (help)
  31. ^ Archer, David (2005). "Fate of fossil fuel CO
    2     in geologic time"     (PDF). Journal of Geophysical Research. 110 (C9): C09S05.1–6. Bibcode:2005JGRC..11009S05A. doi:10.1029/2004JC002625. Retrieved 27 July 2007.
  32. ^ a b c "CDC - NIOSH Pocket Guide to Chemical Hazards - Sulfur dioxide", National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention 1600 Clifton Rd. Atlanta, GA 30333, USA, 2010-11-18, retrieved 2012-02-06
  33. ^ a b GM First to Market Greenhouse Gas-Friendly Air Conditioning Refrigerant in U.S., Warren, Michigan, 2010-07-23, retrieved 2010-12-27{{citation}}: CS1 maint: location missing publisher (link)
  34. ^ "ANSI/ASHRAE Addendum c to ANSI/ASHRAE Standard 34-2010" (PDF). Standards Addenda ANSI/ASHRAE Standard 34-2010, Designation and Safety Classification of Refrigerants. American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. 1791 Tullie Circle NE, Atlanta, GA 30329-2305. 2011-07-27. ISSN 1041-2336. Retrieved 2011-12-18. {{cite web}}: External link in |publisher= and |work= (help)
  35. ^ a b c "ANSI/ASHRAE Addendum w to ANSI/ASHRAE Standard 34-2007" (PDF). Standards Addenda ANSI/ASHRAE Standard 34-2007, Designation and Safety Classification of Refrigerants. American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. 1791 Tullie Circle NE, Atlanta, GA 30329-2305. 2008-11-18. ISSN 1041-2336. Retrieved 2011-12-18. {{cite web}}: External link in |publisher= and |work= (help)
  36. ^ "Numbering Scheme for Ozone-Depleting Substances and their Substitutes". Science - Ozone Layer Protection. US EPA. 2007. Retrieved 2011-12-18.
  37. ^ "ANSI/ASHRAE Addendum ak to ANSI/ASHRAE Standard 34-2007" (PDF). Standards Addenda ANSI/ASHRAE Standard 34-2007, Designation and Safety Classification of Refrigerants. American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. 1791 Tullie Circle NE, Atlanta, GA 30329. 2010-02-24. ISSN 1041-2336. Retrieved 2011-12-18. {{cite web}}: External link in |publisher= and |work= (help)
  38. ^ a b c "ANSI/ASHRAE Addenda z, ah, ai, and aj to ANSI/ASHRAE Standard 34-2007" (PDF). Standards Addenda ANSI/ASHRAE Standard 34-2007, Designation and Safety Classification of Refrigerants. American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. 1791 Tullie Circle NE, Atlanta, GA 30329. 2010-01-28. ISSN 1041-2336. Retrieved 2011-12-18. {{cite web}}: External link in |publisher= and |work= (help)
  39. ^ Wade, Leroy G. Jr. (2006). Organic Chemistry (Sixth ed.). Upper Saddle River, New Jersey: Pearson Prentice Hall. p. 279. ISBN 0-13-147871-0. OCLC 56876670.

External links

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