# Ethylene¶

## References¶

### Equation of State¶

J. Smukala, R. Span, and W. Wagner. New Equation of State for Ethylene Covering the Fluid Region for Temperatures From the Melting Line to 450 K at Pressures up to 300 MPa. J. Phys. Chem. Ref. Data, 29(5):1053–1121, 2000. doi:10.1063/1.1329318.

### Melting Line¶

J. Smukala, R. Span, and W. Wagner. New Equation of State for Ethylene Covering the Fluid Region for Temperatures From the Melting Line to 450 K at Pressures up to 300 MPa. J. Phys. Chem. Ref. Data, 29(5):1053–1121, 2000. doi:10.1063/1.1329318.

### Surface Tension¶

A. Mulero, I. Cachadiña, and M. I. Parra. Recommended Correlations for the Surface Tension of Common Fluids. J. Phys. Chem. Ref. Data, 41(4):043105–1:13, 2012. doi:10.1063/1.4768782.

## Aliases¶

ethylene, ETHYLENE, R1150

## Fluid Information¶

Parameter, Value
General
Molar mass [kg/mol] 0.02805376
CAS number 74-85-1
ASHRAE class A3
Formula $$C_{2}H_{4}$$
Acentric factor 0.0866
InChI InChI=1/C2H4/c1-2/h1-2H2
InChIKey VGGSQFUCUMXWEO-UHFFFAOYAE
SMILES C=C
ChemSpider ID 6085
2D image
Limits
Maximum temperature [K] 450.0
Maximum pressure [Pa] 300000000.0
Triple point
Triple point temperature [K] 103.989
Triple point pressure [Pa] 122.026763843
Critical point
Critical point temperature [K] 282.35
Critical point density [kg/m3] 214.24
Critical point density [mol/m3] 7636.76598075
Critical point pressure [Pa] 5041800.0

## REFPROP Validation Data¶

Note

This figure compares the results generated from CoolProp and those generated from REFPROP. They are all results obtained in the form $$Y(T,\rho)$$, where $$Y$$ is the parameter of interest and which for all EOS is a direct evaluation of the EOS