Tungsten(VI) oxide, also known as tungsten trioxide is a chemical compound of oxygen and the transition metal tungsten, with formula WO3. The compound is also called tungstic anhydride, reflecting its relation to tungstic acid H 2WO 4. It is a light yellow crystalline solid.
The common name for tungsten trioxide is tungsten(VI) oxide. It is also known as tungstic anhydride, which reflects its connection to tungstic acid (H2WO4).
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