... formula : Na2SO4 Purity: 99% 98% 97% 96% Uses: Used as filler of deterg Molecular Formula : Na2SO4Molecular Weight : 142.04Packing : In 25 ... :0.2%Max0.10%Whiteness:80%Min84%Uses: Used as filler of detergent, making of sodium sulphide, water glass, or used ... in papermaking, glass, dye and used as filler, dyeing auxiliary, laxative, antidote, also can be used in fiber ...