Tungstic acid can exist in various states, mostly yellow powder or crystal. Tungstic acid is soluble in hydrofluoric acid, slowly soluble in caustic alkali solution, insoluble in water and other acids. General formula mWO3•nH2O. There are many known tungstic acids, all of which are polymer compounds formed by combining tungsten trioxide WO3 with water in different ratios and in different forms. Known tungstic acids include yellow tungstic acid, white tungstic acid, and metatungstic acid.
English name of tungstic acid: Tungstic Acid
The chemical formula of tungstic acid H2WO4
Molecular weight of tungstic acid 249.86
The CAS registration number of tungstic acid is 7783-03-1
EINECS accession number for tungstic acid 231-975-2
The melting point of tungstic acid is 100 ℃
The boiling point of tungstic acid is 1473 ℃
The flash point of tungstic acid is 1473 ℃
Density of tungstic acid: 5.5
Appearance of tungstic acid: There are various states, usually yellow powder or crystal.
Water solubility of tungstic acid: soluble in hydrofluoric acid, slowly soluble in caustic alkali solution, insoluble in water and other acids.
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