ChemSpider ID: 14127
Molecular Formula: O3W
Average mass: 231.838196 Da

99.998% (metals basis excluding Mo), Mo 100ppm

Tungsten(VI) oxide, also known as tungsten trioxide or tungstic anhydride, WO3, is a chemical compound containing oxygen and the transition metal tungsten. It is obtained as an intermediate in the recovery of tungsten from its minerals