Properties of ethene
Thermophysical properties for ethene (CAS: 74-85-1). Use the selector below to view properties in different unit systems.
Calculation Conditions
The following state-dependent properties were calculated at these standard conditions.
Temperature
25 °C
Pressure
1.01325 bar
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Open CalculatorIdentification
- AtomsC: 2, H: 4
- CAS74-85-1
- FormulaC2H4
- ID74-85-1
- InChIC2H4/c1-2/h1-2H2
- InChI KeyVGGSQFUCUMXWEO-UHFFFAOYSA-N
- IUPAC Nameethene
- Molecular Weight (kg)28.0532
- Phaseg
- PubChem ID6325
- SMILESC=C
- Synonyms
Physical Properties
- Acentric factor0.0866
- Critical pressure (bar)50.418
- Critical temperature (°C)9.2
- Critical volume (m³/kmol)0.130945
- Dipole moment0
- Melting temperature (°C)-169.1
- Normal boiling temperature (°C)-103.771
State-dependent Properties
- Compressibility factor1
- Density (kg/m³)1.14665
- Dynamic viscosity (cP)0.0103185
- Enthalpy of vaporization (mass) (kJ)0
- Enthalpy of vaporization (molar) (kJ/kmol)0
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient2.0436e-13
- Kinematic viscosity8.9988e-6
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))42.8533
- Molar volume (m³/kmol)24.4654
- Parachor
- Poynting correction factor
- Prandtl number0.690251
- Saturation pressure (bar)72.9542
- Saturation temperature (°C)-103.771
- Solubility parameter
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.968091
- Specific heat capacity (kJ/kg·K)1.52757
- Surface tension0
- Thermal conductivity0.0228355
- Thermal diffusivity1.3037e-5
Safety Properties
- Autoignition temperature (°C)440
- Flash point temperature (°C)-273.15
- Lower flammability limit0.023
- Upper flammability limit0.36
Environmental Properties
- Global warming potential
- Ozone depletion potential
Failed Properties:
- API gravityFailed