Names | |
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Other names
Phosphorus tetroxide
Phosphorus(V) oxide Phosphoric anhydride | |
Identifiers | |
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3D model (JSmol)
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ChemSpider | |
PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
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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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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