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Name |
Phosphorus trioxide |
EINECS | N/A |
CAS No. | 1314-24-5 | Density | g/cm3 |
PSA | 51.21000 | LogP | 0.50480 |
Solubility | slowly forms H3PO3 in cold H2O; reacts violently in hot H2O forming red P, PH3, and H3PO4 [MER06] | Melting Point |
23.8° |
Formula | O3P2 | Boiling Point | °Cat760mmHg |
Molecular Weight | 110.0 | Flash Point | °C |
Transport Information | N/A | Appearance | White/clear crystalline powder |
Safety | A poison. A corrosive irritant to the eyes, skin, and mucous membranes. Melted material readily ignites in air. Incompatible with ammonia, disulfur dichloride, halogens, oxygen, phosphorus pentachloride, sulfur, sulfuric acid, water. When heated to decomposition it emits toxic fumes of POx. See also PHOSPHORUS PENTOXIDE. | Risk Codes | R36/37/38 |
Molecular Structure | Hazard Symbols | Xi | |
Synonyms |
Diphosphorus trioxide;Phosphorus trioxide;phosphorous anhydride |
Article Data | 12 |
Empirical Formula of Phosphorus trioxide (CAS NO.1314-24-5): O3P2
Molecular Weight of Phosphorus trioxide (CAS NO.1314-24-5): 109.9457 g/mol
Density: 2.14 g / cm3
Melting point: 24 °C
Structure of Phosphorus trioxide (CAS NO.1314-24-5):
A poison. A corrosive irritant to the eyes, skin, and mucous membranes. Melted material readily ignites in air. Incompatible with ammonia, disulfur dichloride, halogens, oxygen, phosphorus pentachloride, sulfur, sulfuric acid, water. When heated to decomposition it emits toxic fumes of POx. See also PHOSPHORUS PENTOXIDE.
Phosphorus trioxide ,its cas register number is 1314-24-5. It also can be called Phosphorus oxide . It reacts slowly with cold water to give phosphorous acid and vigorously with hot water to generate red phosphorus, phosphine (highly toxic and flammable) and phosphoric acid.