 | |
| Names | |
|---|---|
| IUPAC names Molybdenum(V) fluoride Molybdenum pentafluoride | |
| Identifiers | |
3D model (JSmol) | |
| ChEBI | |
| ChemSpider | |
| 2499 | |
| |
| |
| Properties | |
| F5Mo | |
| Molar mass | 190.94 g·mol−1 |
| Appearance | yellow solid |
| Density | 3.44 g/cm3 |
| Melting point | 45.7 °C (114.3 °F; 318.8 K)[1] |
| Boiling point | 50 °C (122 °F; 323 K)[1] (sublimes) |
| Thermochemistry | |
| 96.6 J/mol·K | |
| Hazards | |
| Occupational safety and health (OHS/OSH): | |
Main hazards | oxidizer, hydrolyzes to release HF |
| Flash point | Non-flammable |
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa). | |
Molybdenum(V) fluoride is aninorganic compound with the formula MoF5. It is a hygroscopic yellow solid. Like most pentafluorides, it exists as a tetramer.[2]
Molybdenum(V) fluoride is produced by the reaction ofmolybdenum andmolybdenum hexafluoride:[3]
It can also be prepared by the reduction of molybdenum hexafluoride withphosphorus trifluoride ortungsten hexacarbonyl, or by the oxidation of elemental molybdenum with fluorine at 900 °C.[3]
About 165 °C, it disproportionates to the tetra- and hexafluoride:[1]
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