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Tungsten trioxide

**** Identification ****
Name: Tungsten trioxide
Synonyms: Tungsten(VI) oxide
Chinese Names: 三氧化钨
Molecular Formula: WO3
Molecular Weight: 231.84
CAS Number: 1314-35-8
EINECS: 215-231-4
**** Properties ****
Density: 7.16
Melting point: 1470-1475°C
Water solubility: insoluble
**** Safety Data ****
Hazard Symbols: symbolXn Details
Risk Codes: R22;R36/37/38 Details
Safety Description: S26;S37/39 Details

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