Properties:colorless, crystalline or crystal block, odourless, taste salty, and bitter.Relative density of 3.353 (25 ), melting point 730 (decomposition), the boiling point of 806 ~ 812 . Easily soluble in water, neutral aqueous solution Use:used in oil industry, also used in the manufacture of ammonium bromide and light-sensitive paper, fire extinguishing agent, refrigerant, etc. Used as a central nervous system depressants in medicine, for inhibition, sedation, for the treatment of neurasthenia, epilepsy, etc. 25kg, 1t, 300kg drum, 1t drum