Nitrous oxide - N2O

Nitrous oxide is a gas that is used in different applications. It is used in hospitals as anesthetics. It is also used as gas propellant for aerosols packaging.

The major hazards of nitrous oxide are suffocation and that it supports combustion.


  • Molecular weight:

    44.013 g/mol

  • Gaseous phase:

    Gas density (1.013 bar at boiling point): 2.982 kg/m3
    Gas density (1.013 bar and 15 °C (59 °F)): 1.8724 kg/m3

  • Solid phase:

    Melting point: -90.82 °C

  • Liquid phase:

    Boiling point (1.013 bar): -88.47 °C
    Liquid density (1.013 bar at boiling point): 12.30459 kg/m3

  • Critical point:

    Critical temperature: 36.37 °C
    Critical pressure: 72.45 bar