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] nD 1.4448
Abbe number ?
Dielectric constant,[2] εr 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, ΔfusHo		 8.8366 kJ/mol at –35.9 °C
Std entropy change
of fusion, ΔfusSo		 37.25 J/(mol·K) at –35.9 °C
Std enthalpy change
of vaporization, ΔvapHo		 33.91 kJ/mol at 20°C
Std entropy change
of vaporization, ΔvapSo		 ? J/(mol·K)
Solid properties
Std enthalpy change
of formation, ΔfHosolid		 ? kJ/mol
Standard molar entropy,
Sosolid		 ? J/(mol K)
Heat capacity, cp ? J/(mol K)
Liquid properties
Std enthalpy change
of formation, ΔfHoliquid		 –169.7 kJ/mol
Standard molar entropy,
Soliquid		 208.53 J/(mol K)
Enthalpy of combustion, ΔcHoliquid –1236.4 kJ/mol
Heat capacity, cp 129.0 J/(mol K)
Gas properties
Std enthalpy change
of formation, ΔfHogas		 –125.4 kJ/mol
Standard molar entropy,
Sogas		 ? J/(mol K)
Heat capacity, cp 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: obtained from CHERIC[5]

Distillation data

See also:

Vapor-liquid equilibrium
of 1,2-Dichloroethylene/
Methanol[6]
P = 96.7 kPa
BP
Temp.
°C		 % by mole methanol
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
    
Vapor-liquid equilibrium
of 1,2-Dichloroethylene/
Ethanol[6]
P = 760 mm Hg
BP
Temp.
°C		 % by mole ethanol
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
    
Vapor-liquid equilibrium
of 1,2-Dichloroethylene/
Toluene[6]
P = 760 mm Hg
BP
Temp.
°C		 % by mole dichloroethane
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
    
Vapor-liquid equilibrium
of 1,2-Dichloroethylene/
Cyclohexane[6]
P = 760 mm Hg
BP
Temp.
°C		 % by mole cyclohexane
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
λmax ? nm
Extinction coefficient, ε ?
IR
Major absorption bands ? cm−1
NMR
Proton NMR  
Carbon-13 NMR  
Other NMR data  
MS
Masses of
main fragments		  

References

  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
  5. ↑ "Pure Component Properties" (Queriable database). Chemical Engineering Research Information Center. Archived from the original on 3 June 2007. Retrieved 5 June 2007.
  6. 1 2 3 4 "Binary Vapor-Liquid Equilibrium Data" (Queriable database). Chemical Engineering Research Information Center. Archived from the original on 29 August 2007. Retrieved 5 Jun 2007.

Except where noted otherwise, data relate to standard ambient temperature and pressure.

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