(1) Tungstic acid can exist in various states.
(2) Tungstic acid is a white glossy flaky crystal or crystalline powder.
(3) Tungstic acid is soluble in water, insoluble in ethanol, slightly soluble in ammonia.
(4) Tungstic acid is easy to weather in the air.
(5) Tungstic acid reacts with strong acid (except hydrofluoric acid) to form water-insoluble yellow tungstic acid, reacts with phosphoric acid or phosphate to form phosphotungstic heteropoly acid complex, and reacts with organic acids such as tartaric acid, citric acid, and oxalic acid Generate corresponding organic acid complexes.
(6) When tungstic acid is heated to 100°C, it loses crystal water and becomes anhydrous.
(7) The relative density of tungstic acid is 3.23~3.25 g/cm3. The density of tungstic acid is 5.5g/cm3
(8) The melting point of anhydrous tungstic acid is 698°C.
(9) The boiling point of tungstic acid is 1473°C
(10) The flash point of tungstic acid is 1473°C
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