Tungstic acidTungstic acid refers to hydrated forms of tungsten trioxide, WO3. Both a monohydrate (WO3·H2O) and hemihydrate (WO3·1/2 H2O) are known. Molecular species akin to sulfuric acid, i.e. (HO)2WO2 are not observed. Read from the Chembox of the Wikipedia article Tungstic acid, revision 1360723354.

Property

Value

Formula

H2O4W, 249.85 g/mol

Melting point

100 °C

Boiling point

1473 °C

Density

5.59 g/cm³

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