Hydrogen fluoride - HF

Hydrogen fluoride is used in many applications and its most important use is in the chemical industry for the production of most fluorine-containing chemicals.

Cement and glass industries are concerned of their HF releases.

Hydrogen fluoride has a sharp penetrating odour.


  • Molecular weight:

    20.006 g/mol

  • Gaseous phase:

    Gas density (1.013 bar and 25 °C (77 °F)): 0.83 kg/m3

  • Liquid phase:

    Boiling point (1.013 bar): 19.51 °C
    Liquid density (1.013 bar at boiling point): 959 kg/m3

  • Critical point:

    Critical temperature: 188 °C
    Critical pressure: 64.85 bar