Sodium sulfate We are the provider of P&G GROUP. SUPPY SSA FOR 15 YEARS. low hardness sodium sulfateMolecular formula:Na2SO4 Molecular weight:142.04 Property:white granular crystal or powder , Na2SO4is white rhombic crystal .Uses:used as filler of detergent, the making of sodium sulphide, water glass, or used in papermaking, glass, dye and used as filler, dyeing auxiliary, laxative, antidote, t ...