Phosphorus pentafluoride
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 | |
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IUPAC name | Phosphorus pentafluoride |
Other names | Phosphorus(V) fluoride Pentafluoridophosphorus Pentafluorophosphorane |
Identifiers | |
CAS number | |
PubChem | |
RTECS number | TH4070000 |
Properties | |
Molecular formula | PF5 |
Molar mass | 125.96577 g/mol |
Appearance | colourless gas |
Density | 5.527 g/cm3 |
Melting point |
-93.78 °C, 179 K, -137 °F |
Boiling point | |
Solubility in water | hydrolysis |
Structure | |
Molecular shape | trigonal bipyramidal |
Dipole moment | 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 noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |