Phosphorus pentafluoride

chemical compound

Phosphorus pentafluoride, PF5, is a phosphorus halide. It's a colorless gas at room temperature and pressure. It can be formed when OF2 reacts with phosphorus.

Phosphorus pentafluoride
Names
IUPAC name
Phosphorus pentafluoride
Other names
Phosphorus(V) fluoride
Pentafluoridophosphorus
Pentafluorophosphorane
Identifiers
ECHA InfoCard 100.028.730
RTECS number
  • TH4070000
Properties
PF5
Molar mass 125.96577 g/mol
Appearance colourless gas
Density 5.527 g/cm3
Melting point −93.78 °C (−136.80 °F; 179.37 K)
Boiling point −84.6 °C (−120.3 °F; 188.6 K)
hydrolysis
Structure
trigonal bipyramidal
0 D
Hazards
EU Index Not listed
Flash point Non-flammable
Related compounds
Other anions Phosphorus pentachloride
Phosphorus pentabromide
Phosphorus pentaiodide
Other cations Arsenic pentafluoride
Antimony pentafluoride
Bismuth pentafluoride
Related compounds Phosphorus trifluoride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references