Nomenclature
CAS number: 7783-03-1
H
2O
4W; mol wt 249.85.
H 0.81%, O 25.61%, W 73.58%.
H
2WO
4.
Description and references
Prepn: Morley, J.
Chem. Soc. 1930, 1990.
Properties
Yellow or greenish-yellow powder. Insol in water
and acid except hydrofluoric acid. Slowly sol in solns of caustic
alkalies. When freshly pptd from a soluble tungstate it contains
1 mol H2O, and is appreciably sol in water.