Product name: Sodium Sulphate Anhydrous, Molecular formula : Na2SO4 Purity: 99% 98% 97% 96% ... :80%Min84%Uses: Used as filler of detergent, making of sodium sulphide, water glass, or used in papermaking, glass, dye and used ... can be used in fiber, leather, metallurgy, enamel and soap. sodium sulphate anhydrous