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ETHANE

DOI: 10.1615/AtoZ.e.ethane

Ethane (C2H6) is a colorless and odorless gas that is slightly heavier than air. It occurs as a constituent of natural gas, which is the main raw material for its production. It forms an explosive and flammable mixture with air at low concentrations. It is used in the petrochemical industry as a feedstock for the production of ethylene and vinyl chloride.

Some of its physical characteristics are:

Molecular weight: 30.07Critical temperature: 305.33 K
Melting point: 89.88 KCritical pressure: 4.872 MPa
Normal boiling point: 184.52Critical density: 206.6 kg/m3
Normal vapor density: 1.355 kg/m3(@ 273.15K; 1.0135MPa)

Table 1. Ethane: Values of thermophysical properties of the saturated liquid and vapor

The values of thennodynainic properties are from Friend et al. (1991), transport properties from Hendl (1994) and Vesovic (1994) and surface tension from Beaton and Hewitt (1989).

REFERENCES

Beaton, C. R and Hewitt, G. F. (1989) Physical Property Data for the Design Engineer. Hemisphere Publishing Corporation, New York. DOI: 10.1016/0300-9467(89)80011-5

Friend, D. G., Ingham, H., and Ely, J. F. (1991) Thermophysical properties of ethane. J. Phys. Chem. Ref. Data, 20: 275.

Hendl, S., et al. (1994) The transport properties of ethane. I viscosity. Int. J. Thermophys. 15: 1.

Vesovic, V., et al. (1994) The transport properties of ethane. II thermal conductivity. Int. J. Thermophys. 15: 33.

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