... 0Molecular Formula: C7H13SO4NMolecular Weight: 207.24 Quality standard: Items High quality part Quality partAppearanceWhite crystal powderWhite crystal powderNon-volatile matter, ... ±5275±5Melting piont, oC ≥185(decomposition)183(decomposition)Water content, %(m/m) ≤0.51Fe,%(m/m) ... be widely used in the fields of oil chemistry, water-treatment, synthetic fiber, dyeing, plastic, absorbent coating, paper ...