... class: 5.1 un no. 1498 china origin Sodium Nitrate Property colorless hexagonak system crystal,density 2.257,melting ... 380C and decompisited quickly when heated to 529C.sodium nitrate is Oxidant ,can inflammation and explosive while mixed ... sodium acid sulfite etc.UseFor chemical,glass,explosive,fireworks,dye,metallurgy, machinery,enamel industry,meat antiseptics,etc.Annul output: 30,000T Quality Grade ...