精品毛片AV爽爽爽爽_亚洲无码浪潮TV电影_高h免费观看视频在线播放_亚洲免费成人福利激情小视频_午夜国产一区爽爽爽大尺度

　　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