1,2-Dichloroethane (data page)

This page provides supplementary chemical data on 1,2-dichloroethane.

Structure and properties

Structure and properties
Index of refraction,^[1] n_D	1.4448
Abbe number	?
Dielectric constant,^[2] ε_r	10.5 ε₀ at 20 °C
Bond strength	?
Bond length	?
Bond angle	?
Magnetic susceptibility	?
Surface tension^[3]	40.05 mN/m at 10 °C 38.75 mN/m at 20 °C 28.4 mN/m at 100 °C
Viscosity^[4]	1.1322 mPa·s at 0 °C 0.8385 mPa·s at 20 °C 0.6523 mPa·s at 40 °C 0.4357 mPa·s at 80 °C

Thermodynamic properties

Phase behavior
Triple point	237.2 K (–35.9 °C), ? Pa
Critical point	561.6 K (288.5 °C), 5380 kPa
Std enthalpy change of fusion, Δ_fusH^o	8.8366 kJ/mol at –35.9 °C
Std entropy change of fusion, Δ_fusS^o	37.25 J/(mol·K) at –35.9 °C
Std enthalpy change of vaporization, Δ_vapH^o	33.91 kJ/mol at 20 °C
Std entropy change of vaporization, Δ_vapS^o	? J/(mol·K)
Solid properties
Std enthalpy change of formation, Δ_fH^o_solid	? kJ/mol
Standard molar entropy, S^o_solid	? J/(mol K)
Heat capacity, c_p	? J/(mol K)
Liquid properties
Std enthalpy change of formation, Δ_fH^o_liquid	–169.7 kJ/mol
Standard molar entropy, S^o_liquid	208.53 J/(mol K)
Enthalpy of combustion, Δ_cH^o_liquid	–1236.4 kJ/mol
Heat capacity, c_p	129.0 J/(mol K)
Gas properties
Std enthalpy change of formation, Δ_fH^o_gas	–125.4 kJ/mol
Standard molar entropy, S^o_gas	? J/(mol K)
Heat capacity, c_p	77.5 J/(mol K) at 25 °C

Vapor pressure of liquid

P in mm Hg		1	10	40	100	400	760	1520	3800	7600	15200	30400	45600
T in °C		–44.5_(s)	–13.6	10.0	29.4	64.0	83.4	108.1	147.8	183.5	226.5	272.0	—

Table data obtained from CRC Handbook of Chemistry and Physics 44th ed. The (s) annotation indicates temperature is equilibrium of vapor over solid. Otherwise temperature is equilibrium of vapor over liquid.

**log₁₀ of 1,2-dichloroethane vapor pressure.** Uses formula: $\scriptstyle \log _{e}P_{mmHg}=$ $\scriptstyle \log _{e}({\frac {760}{101.325}})-10.38248\log _{e}(T+273.15)-{\frac {6904.904}{T+273.15}}+83.96795+8.368130\times 10^{-6}(T+273.15)^{2}$ obtained from CHERIC^[5]

Distillation data

See also:

Tetrachloroethylene (data page)

BP Temp. °C	% by mole methanol
Vapor-liquid equilibrium of 1,2-Dichloroethylene/ Methanol^[6] P = 96.7 kPa
BP Temp. °C	liquid	vapor
63.3	100.00	100.00
60.2	92.01	82.50
59.3	79.52	72.06
58.9	69.03	66.43
59.1	63.50	63.50
59.0	59.02	63.27
59.3	47.91	63.25
59.6	43.02	62.55
61.8	15.03	54.15
66.7	6.01	42.03
82.15	0.00	0.0

BP Temp. °C	% by mole ethanol
Vapor-liquid equilibrium of 1,2-Dichloroethylene/ Ethanol^[6] P = 760 mm Hg
BP Temp. °C	liquid	vapor
79.9	3.0	13.0
78.0	4.2	19.5
76.7	7.3	23.3
74.1	11.3	31.5
72.6	15.2	36.0
70.9	28.3	43.6
70.5	34.5	45.2
70.2	42.5	47.8
70.1	48.8	49.8
70.2	59.8	53.5
70.8	70.5	58.2
71.4	76.5	62.8
72.1	81.7	67.0
74.7	92.3	81.7
75.7	94.8	86.5
77.3	97.8	94.5

BP Temp. °C	% by mole dichloroethane
Vapor-liquid equilibrium of 1,2-Dichloroethylene/ Toluene^[6] P = 760 mm Hg
BP Temp. °C	liquid	vapor
85.5	89.7	94.2
87.5	80.1	89.2
89.1	69.8	82.1
91.3	60.5	78.2
92.9	54.0	72.5
94.6	48.2	66.3
97.1	39.8	60.3
97.8	36.4	55.0
101.5	26.2	42.4
102.7	20.0	34.8
105.7	14.0	27.5
108.1	7.0	16.9
109.1	1.8	6.6

BP Temp. °C	% by mole cyclohexane
Vapor-liquid equilibrium of 1,2-Dichloroethylene/ Cyclohexane^[6] P = 760 mm Hg
BP Temp. °C	liquid	vapor
80.5	6.50	14.60
80.0	8.25	17.00
78.8	12.00	23.70
77.6	17.30	29.80
77.0	21.50	33.40
76.4	26.15	37.50
75.9	31.90	40.80
75.6	36.10	43.60
75.2	42.95	47.60
75.1	51.70	52.50
75.1	52.45	53.00
75.1	56.10	55.10
75.2	59.75	57.10
75.7	72.90	65.60
76.6	82.00	73.50
77.5	88.00	79.80
79.3	95.50	91.50

Spectral data

UV-Vis
λ_max	? nm
Extinction coefficient, ε	?
IR
Major absorption bands	? cm⁻¹
NMR
Proton NMR
Carbon-13 NMR
Other NMR data
MS
Masses of main fragments

This box:

Except where noted otherwise, data relate to Standard temperature and pressure.
Reliability of data general note.

References

^ "Ethylene Dichloride". ChemicalLand21. Archived from the original on 9 June 2007. Retrieved 4 June 2007.
^ "Dielectric Constants Chart". ASI Instruments. Archived from the original on 29 May 2007. Retrieved 4 June 2007.
^ Lange's Handbook of Chemistry, 10th ed. pp. 1161–1163
^ Lange's Handbook of Chemistry, 10th ed. pp. 1669–1674
^ "Pure Component Properties" (Queriable database). Chemical Engineering Research Information Center. Archived from the original on 3 June 2007. Retrieved 5 June 2007.
^ ^a ^b ^c ^d "Binary Vapor-Liquid Equilibrium Data" (Queriable database). Chemical Engineering Research Information Center. Archived from the original on 29 August 2007. Retrieved 5 June 2007.

Linstrom, Peter (1997). "Reference Database". NIST Standard. doi:10.18434/T4D303. Archived from the original on 31 May 2007. Retrieved 4 June 2007.

[1] "Ethylene Dichloride". ChemicalLand21. Archived from the original on 9 June 2007. Retrieved 4 June 2007.

[2] "Dielectric Constants Chart". ASI Instruments. Archived from the original on 29 May 2007. Retrieved 4 June 2007.

[3] Lange's Handbook of Chemistry, 10th ed. pp. 1161–1163

[4] Lange's Handbook of Chemistry, 10th ed. pp. 1669–1674

[cheric_p-5] "Pure Component Properties" (Queriable database). Chemical Engineering Research Information Center. Archived from the original on 3 June 2007. Retrieved 5 June 2007.

[cheric-6] "Binary Vapor-Liquid Equilibrium Data" (Queriable database). Chemical Engineering Research Information Center. Archived from the original on 29 August 2007. Retrieved 5 June 2007.

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