Tungsten Oxide

Tungsten Oxide

CAS #: 1314-35-8
Linear Formula: WO3
EC No.: 234-842-7

Product Details

Tungsten oxide is a yellow powder, molecular formula WO3, yellow by heating, dark yellow by melting, Soluble in alkaline hydroxide solution, slightly soluble in acid, insoluble in water.

Product Series

ProductProduct Code

Safety Data

Technical Data

Tungsten oxide 99.9%


Tungsten oxide 99.99%ET-Wo-02TIM图片20180524114629_副本(001)
Tungsten oxide 99.999%ET-Wo-03TIM图片20180524114629_副本(001)

Properties (Theoretical)

Compound FormulaWO3
Molecular Weight231.84
AppearanceYellow to Green Powder
Melting Point1473 °C (2683 °F)
Boiling Point1700 °C ( 3092 °F)
Density7.16 g/cm3
Exact Mass231.935675
Monoisotopic Mass231.935675

Health & Safety Information

Signal WordN/A
Hazard StatementsN/A
Hazard CodesN/A
Precautionary StatementsN/A
Flash PointNot applicable
Risk CodesN/A
Safety StatementsN/A
RTECS NumberYO7760000
Transport InformationNONH

Packaging Specifications

Finished packaging: 50 kg / barrel, 500 kg / tray, ton bag packaging

Sample packaging: 500 g / bag, 1 kg / bottle


It is mainly used for  Preparation of tungsten salts, reduction methods for the production of metal tungsten and alloys, X-ray screens, fireproof fabrics and glazes.

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