Ethylene (data page)

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This page provides supplementary chemical data on ethylene.

Contents

[edit] Structure and properties

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  ?

[edit] Thermodynamic properties

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

[edit] Vapor pressure of liquid

P in mm Hg 1 10 40 100 400 760 1520 3800 7600 15200 30400 45600
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.
log10 of ethylene vapor pressure. Uses formula: \scriptstyle \log_{10} P_{mmHg} = 6.74756 - \frac {585.00} {255.00+T}, obtained from Lange's Handbook of Chemistry, 10th ed.


[edit] 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		  

[edit] Material Safety Data Sheet

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.

[edit] References

  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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