1) Appearance: White or light yellow prismatic crystal.
2) Physical characters: density 2.168,melting point 271 , easy dissolve in water alcohol , micro- dissolve in ether, noxious. Decomposition temperature is 320 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.
3) 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.
4) Specification:
a.Grade: qualified,industrial grade
b.Sodium Nitrite content (as dry basis) : 98.0% min
c.Moisture: 2.5% max
d.Water insoluble content (as dry basis): 0.10% max
e.Sodium Nitrate Content (as dry basis): 1.90% max