Molecular formula: Na2SO4 HS code: 2833110000 Specification Index Content(Na2SO4)%í¦ 99.0 Insoluble matter in water%í_ 0.05 Chloride content%í_ 0.35 Iron(Fe)%í_ 0.002 Moisture content%í_ 0.20 White degree(R45)%í_ 82 Property: White, tasteless, Some embittered, granule crystal or powder, moisture absorption, and melting point is 884oC; Dissolved in water and glycerol; But not dissolved in ethanol. Slight catalyze the eyes and skin, and innocuity. Uses: Used as filler of detergent, the making of sodium sulfate, water glass, or used in papermaking, glass, dye and used as filler, dyeing auxiliary, laxative, antidote, t also can be used in fiber, leather, metallurgy, enamel and soap. 25kg plastic woven bag.