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　   CAS: 1187-84-4

　　EINECS: 214-701-6

　　Molecular formula: C₄H₉NO₂S

　　Molecular weight: 135.1848

　　Physical and chemical properties

　　appearance White to pale gray, crystalline powder

　　Infrared spectrum identification

　　A purity of 98.0% or more (NT)

　　Than the rotation [a] 20 S/D 27.5 ~ 33.5 ° (C = 2, H2O)

　　Water < 0.5% (K.F.)