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CAS号: 583-92-6 英文名称: 4-methylsulfanyl-2-oxo-butanoic acid 英文同义词: KTBA;4-Methylthio-2-ketobutanoate;4-Methylthio-2-oxobutyric acid;2-Oxo-4-methylthiobutanoic acid;α-Keto-γ-thiomethylbutyric acid;2-Keto-4-thiomethylbutyric acid;2-keto-4-methylthiobutyric acid;2-Oxo-4-(methylthio)butyric acid;Butanoic acid, 4-(methylthio)-2-oxo-;4-methylsulfanyl-2-oxo-butanoic acid 中文名称: 中文同义词: 分子式: C5H8O3S 分子量: 148.18 熔点 : 150-151 °C 沸点 : 123 °C(Press: 3 Torr) 密度 : 1.268±0.06 g/cm3(Predicted) FEMA : 3881 | 4-(METHYLTHIO)-2-OXOBUTANOIC ACID 酸度系数(pKa): 2.44±0.54(Predicted) JECFA Number: 501