... of sodium sulphide, water glass, or used in papermaking, glass, dye and used as filler, Product Name : Sodium Sulphate , ... Sodium SulfateMolecular Formula : Na2SO4Molecular Weight : 142.04Packing : In1MT bag or in ... sodium sulphide, water glass, or used in papermaking, glass, dye and used as filler, dyeing auxiliary, laxative, antidote, also ...