Ethylene - C2H4

Ethylene is used in the chemical industry, as a feedstock in the manufacturing of polyethylene. It is also used to ripen different kinds of fruit.

The major hazards of ethylene are fire and high pressure.


  • Molecular weight:

    28.05 g/mol

  • Gaseous phase:

    Gas density (1.013 bar at boiling point): 2.0879 kg/m3
    Gas density (1.013 bar and 15 °C (59 °F)): 1.1938 kg/m3

  • Solid phase:

    Melting point -169.15 °C

  • Liquid phase:

    Boiling point (1.013 bar): 103.77 °C
    Liquid density (1.013 bar at boiling point): 567.65 kg/m3

  • Critical point:

    Critical temperature: 9.2 °C
    Critical pressure: 50.42 bar
    Critical density: 214.2 kg/m3