... .1 un no. 1498 prompt shipment Sodium Nitrate Property colorless hexagonak system crystal,density 2.257,melting point 30C,easy dissolve in ... ,enamel industry,meat antiseptics,etc.Annul output: 30,000T Quality Grade: First class Technology standard: GB/T4553-931.Exterior: white smallcrystallization ... ),%,0.050.10--Iron content,%,--0.0050.005 sodium nitrate industrial grade