... filler of detergent,papermaking, glass 99%min Glauber salt /Sodium Sulphate Anhydrous Molecular formula: Na2SO4Molecular weight: 142.04CAS No .: 7757 ... , the making of sodium sulphide, water glass, or used in papermaking, glass, dye and used as filler, dyeing auxiliary, ... laxative, antidote, t also can be used in fiber, lether, metallurgy, enamel and soap.CERTIFICATE OF ANALYSIS ...