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1314-24-5

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Basic Information
CAS No.: 1314-24-5
Name: Phosphorus trioxide
Article Data: 12
Molecular Structure:
Molecular Structure of 1314-24-5 (Phosphorus trioxide)
Formula: O3P2
Molecular Weight: 110.0
Synonyms: Diphosphorus trioxide;Phosphorus trioxide;phosphorous anhydride
Density: g/cm3
Melting Point: 23.8°
Boiling Point: °Cat760mmHg
Flash Point: °C
Solubility: slowly forms H3PO3 in cold H2O; reacts violently in hot H2O forming red P, PH3, and H3PO4 [MER06]
Appearance: White/clear crystalline powder
Hazard Symbols: Xi
Risk Codes: R36/37/38
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.
PSA: 51.21000
LogP: 0.50480
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Chemistry

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):
            

Safety Profile

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.

Specification

 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.