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　　Legal number: CAS RN) : 56-89-3 EINECS no. : 200-296-3

　　Molecular formula: C₆H₁₂N₂O₄S₂

　　Molecular weight: 240.29

　　Physical and chemical properties: properties White hexagonal tabular crystal or white crystalline powder. Solubility soluble in dilute acid and alkali solution, extremely difficult to dissolve in water, insoluble in ethanol.

　　USES: used in medicine, food, cosmetics and other industries.

　　Standard: USP24 AJI92