2-Pentanone

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2-Pentanone
Skeletal formula of 2-pentanone
Ball-and-stick model of 2-pentanone
Names
IUPAC name
2-pentanone
Other names
methyl propyl ketone
2-pentanone
MPK
Identifiers
107-87-9 YesY
ChEBI CHEBI:16472 YesY
ChEMBL ChEMBL45345 YesY
ChemSpider 7607 YesY
Jmol-3D images Image
KEGG C01949 YesY
PubChem 7895
RTECS number CY1400000
UNII I97392I10V YesY
Properties
C5H10O
Molar mass 86.13 g/mol
Appearance Colorless liquid
Odor resembling acetone
Density 0.809 g/ml
Melting point −86 °C (−123 °F; 187 K)
Boiling point 102 °C (216 °F; 375 K)
6% (20°C)[1]
Vapor pressure 3.6 kPa (20 °C)
1.390 (20 °C)
Viscosity 0.50 mPa·s (20 °C)
Hazards
Flash point 10 °C (50 °F)
Explosive limits 1.5%-8.2%[1]
Lethal dose or concentration (LD, LC):
1600 mg/kg (rat, oral)
1600 mg/kg (mouse, oral)[2]
50,000 ppm (guinea pig, 50 min)
13,000 ppm (guinea pig, 5 hr)[2]
US health exposure limits (NIOSH):
TWA 200 ppm (700 mg/m3)[1]
TWA 150 ppm (530 mg/m3)[1]
1500 ppm[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
 YesY verify (what isYesY/N?)
Infobox references

2-Pentanone or methyl propyl ketone (MPK) is a ketone and solvent of minor importance. It is comparable to MEK (methyl ethyl ketone), but has a lower solvency and is more expensive.[3] It occurs in leaf tobacco.[4]

References[edit]

  1. ^ a b c d e "NIOSH Pocket Guide to Chemical Hazards #0488". National Institute for Occupational Safety and Health (NIOSH). 
  2. ^ a b "2-Pentanone". Immediately Dangerous to Life and Health. National Institute for Occupational Safety and Health (NIOSH). 
  3. ^ Dieter Stoye (2007), "Solvents", Ullmann's Encyclopedia of Industrial Chemistry (7th ed.), Wiley, pp. 55–56 
  4. ^ T. C. Tso (2007), "Tobacco", Ullmann's Encyclopedia of Industrial Chemistry (7th ed.), Wiley, p. 19