What is yellow tungsten oxide? It is one of tungsten oxides with yellow powder.
Chinese name: 黄色氧化钨
English name: Yellow Tungsten Oxide
Molecular Formula: WO3
Molecular Weight: 231.85
CB No.: CB31162678
EC No.: 215-231-4
CAS No.: 1314-35-8
HS Code: 2825901910
Relative Density (water=1): 7.16
Solubility: insoluble in water, soluble in alkali, slightly soluble in acid.
Boiling point (℃) : 1473
Melting point (℃) : 1837
W valance: +6
Appearance and Property: yellow powder and stability at room temperature.
Main uses: product fireproof fabric of X - ray screen phosphor, gas sensor, tungstate and a pigment in paints and ceramics.