... 27-9Appearance:white crystalProperties:White crystalline, virulent, melting point, boiling point °C 925 °C 1560, insoluble in water, ... soluble in acid and nitric acid, soluble in ethanol and ether, easy bibulous.Use:Make analysis reagent ... , dehydrated agent, system, and also used BeiYan electronics, instruments, metallurgical industry, etc. ...