Chinese chemical name: sodium nitrate Chemicals English name: sodium nitrate Chinese name: Chile saltpetre CAS No.: 7631-99-4 EINECS No.: 231-554-3 Chemical Formula: NaNO3 Molecular Weight: 85.01 Boiling point: 380 degrees Melting point: 306 degrees Density: 2.257g/cm3(200TWhen) Content:≥ 99.3% Physicochemical properties: Colorless transparent or white microstrip yellow diamond crystal ,Bitter salt,easy to dissolve in the water and the liquid ammonia,Slightly soluble in glycerol and ethanol,easy deliquescence . Uses: used for making potassium nitrate, explosives, picric acid, dyes etc.medicines used as osmotic pressure regulator.