Sodium nitrate 1)MF: NaNO3 2)Purity: 99% min 3)Grade: Industrial Grade Sodium Nitrate:White or slight yellow crystal ... an important material inorganic for chemical, industry ,for light industry, machinery etc. Used in manufacture of ... nitric acid, fertilizer, medicine, gunpowder, explosive, glass, pigment, match and preserving food etc. sodium nitrate 99 ...