... )MF: NaNO3 2)Purity: 99% min 3)Grade: Industrial Grade Sodium Nitrate:White or slight yellow crystal. Specific Density: 2.168 ... content (as NaCl) 0.3% max Moisture 1.5%Sodium Nitrite 0.02%Sodium Carbonate 0.1%Iron Content 0.005% Packing:In ... , medicine, gunpowder, explosive, glass, pigment, match and preserving food etc. sodium nitrate 99%