Description

Appearance: White or light yellow prismatic crystal.

Physical characters: density 2.**8, melting point **1 , easy dissolve in water alcohol , micro- dissolve in ether, noxious. Decomposition temperature is **0 oC , It can inflammation and explosive while mixed with organic compound .It has oxidation and reduction susceptibility , easy become diazoamino compounds with amino under low temperature.

Usage: It is used to make Nitra-compounds and azo dyes , fabric dye mordant and bleaching agent, metal heat treating agent, cement pre-strong agent, antifreezer etc, medicine-making and chemical industry.