Нитрит натрия

Property white or light yellow prismatic crystal,density 2.168,melting point 271 , easy dissolve in water alcohol , micro-dissolve in ether, delique- scence,noxious.decomposition tempreture is 320 ,It can inflammation and explosive while mixed with orgnic compound .It has oxidation and redu ction susceptibility ,easy become diazoamino compounds with amino under low tempreture.Use making Nitra-compounds and azo dyes ,fabric dye mordant and bleaching agent;metal heat treating agent ;c ement pre-strong agent,antifreezer etc,medicine -making and chemical industry. Annul output: 50,000T Quality Grade: First class Technology standard: GB2367-90 1.Exterior:white or light yellow. crystallization Quality Index Index ItemIndexHigh-class product First-calss product Qualified product Sodium Nitrite content (as dry basis),%, 99.098.598.0Moisture, %, 1.42.02.5Choridum(Nacl) content (as dry basis),%, 0.100.17--Water insoluble content (as dry basis),%, 0.050.060.10Sodium Nitrate Content (as dry basis),%, 0.801.00 1.90