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 | |
|---|---|
| |
| |
| 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/L |
| 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) | |
