Phosphorus tetroxide
Chemical compound / From Wikipedia, the free encyclopedia
Diphosphorus tetroxide, or phosphorus tetroxide is an inorganic compound of phosphorus and oxygen. It has the empirical chemical formula P2O4. Solid phosphorus tetroxide (also referred to as phosphorus(III,V)-oxide) consists of variable mixtures of the mixed-valence oxides P4O7, P4O8 and P4O9.[1][2][3]
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Other names
Phosphorus tetroxide Phosphorus(V) oxide Phosphoric anhydride | |
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P2O4 | |
Molar mass | 125.96 g·mol−1 |
Appearance | Solid |
Melting point | >100 °C |
Vapor pressure | 2.54 g·cm−3 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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