Tungstic acid is also known as (T-4)-dihydrotungstic acid, tungstic acid, tungstic (VI) acid
Density of tungstic acid: 5.5
Melting point of tungstic acid: 100°dec.
Boiling point of tungstic acid: 1473°
Refractive index of tungstic acid: 2.24
Molecular formula of tungstic acid: H₂O4W
Molecular weight of tungstic acid: 249.854
Flash point of tungstic acid: 1473°C
Exact mass of tungstic acid: 249.946213
Appearance of tungstic acid: tungstic acid has three basic colors, namely white, yellow to light green powder.
The refractive index of tungstic acid is 2.24
Heat tungstic acid to 100-110°C to slowly dehydrate (2WO3.H2O), and change from nWO3.H2O to tungsten trioxide at high heat.
Water solubility of tungstic acid: soluble in hydrofluoric acid, slowly soluble in caustic alkali solution, insoluble in water and other acids.
Tungstic acid is irritating.
Storage conditions of tungstic acid: It should be stored in a cool, ventilated and dry warehouse.
Stability of tungstic acid: Tungstic acid is stable under normal conditions and will not decompose if prescribed and stored.
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