... hazard class: 5.1 un no. 1498 prompt shipment Sodium Nitrate Property colorless hexagonak system crystal,density 2.257,melting ... tempreture 380C and decompisited quickly when heated to 529C.sodium nitrate is Oxidant ,can inflammation and explosive while mixed ... with orgnic compound,Sulphur sodium acid sulfite etc.UseFor chemical,glass,explosive,fireworks,dye, ...