Property colorless hexagonak system crystal,density 2.257,melting point 30C,easy dissolve in water and liquid-ammonia,micro-dissolve in alcohol,glycerine ,easy deliquescence.decomposition 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. Use For chemical,glass,explosive,fireworks,dye,metallurgy, machinery,enamel industry,me at antiseptics,etc. Annul output: 30,000T Quality Grade: First class Technology standard: GB/T4553-93 1.Exterior: white smallcrystallization, light grey or light yellow.Quality IndexIndex ItemIndexHigh-class productFirst-calss productQualified productSodium Nitrate content(as dry basis),%,,99.599.398.5Moisture,%,1.51.82.0Water insoluble content,%,0.030.06--Chloridum (cl)content(as dry basis),%,0.150.24--Sodium Nitrite content(as dry basis),%,0.010.020.15Sodium carbonate content(as dry basis),%,0.050.10--Iron content,%,--0.0050.005