Phosphorus trioxide
三氧化二磷 · Fosfor trioksit
| CAS | 1314-24-5 |
|---|---|
| UN | 2578 |
| Formula | O3P2 |
| Molar mass | 109.95 g/mol |
| Relative density of the gas or vapour (air = 1) | 3.8 |
Phosphorus trioxide appears as white crystalline solid or a liquid (melting point 24 °C). Density 2.14 g / cm3. Toxic and corrosive.