Ethylene (data page)

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This page provides supplementary chemical data on ethylene.

Structure and properties[edit]

Structure and properties
Index of refraction  ?
Dielectric constant  ? ε0 at ? °C
Bond strength  ?
Bond length C-C 133pm C-H 108 pm
Bond angle 121.7
Magnetic susceptibility  ?

Thermodynamic properties[edit]

Phase behavior
Triple point 104 K (−169 °C), 120 Pa
Critical point 282.5 K (9.4 °C), 50.6 bar
Std enthalpy change
of fusion
, ΔfusHo
+3.35 kJ/mol
Std entropy change
of fusion
, ΔfusSo
+32.2 J/(mol·K)
Std enthalpy change
of vaporization
, ΔvapHo
+13.5 kJ/mol
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
 ? kJ/mol
Standard molar entropy,
Soliquid
117.8 J/(mol K)
Heat capacity, cp 67.4 J/(mol K)
Gas properties
Std enthalpy change
of formation
, ΔfHogas
+52.47 kJ/mol
Standard molar entropy,
Sogas
219.32 J/(mol K)
Enthalpy of combustion, ΔcHo –1387.4 kJ/mol
Heat capacity, cp 42.9 J/(mol K)
van der Waals' constants[1] a = 453.02 L2 kPa/mol2
b = 0.05714 liter per mole

Vapor pressure of liquid[edit]

P in mmHg 1 10 40 100 400 760 1520 3800 7600 15200 30400
T in °C –168.3 –153.2 –141.3 –131.8 –113.9 –103.7 –90.8 –71.1 –52.8 –29.1 –1.5  —


Table data obtained from CRC Handbook of Chemistry and Physics, 44th ed.

log10 of ethylene vapor pressure. Uses formula: , obtained from Lange's Handbook of Chemistry, 10th ed.

Spectral data[edit]

UV-Vis
λmax  ? nm
Extinction coefficient, ε  ?
IR
Major absorption bands 974 cm−1
NMR
Proton NMR  
Carbon-13 NMR  
Other NMR data  
MS
Masses of
main fragments
 

Material Safety Data Sheet[edit]

The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source such as SIRI, and follow its directions.

References[edit]

  1. ^ Lange's Handbook of Chemistry 10th ed, pp 1522-1524

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

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