100981-05-3

• 常用中文名：5-[双(甲基硫代)亚甲基]-2,2-二甲基-1,3-二噁烷-4,6-二酮
• 常用英文名：5-(bis(methylthio)methylene)-2,2-dimethyl-1,3-dioxane-4,6-dione
• CAS号：100981-05-3
• 分子式：C₉H₁₂O₄S₂
• 分子量：248.319
• 发布时间：2018-11-25 08:08:34
• 更新时间：2026-07-26 13:46:49

名称

• 中文名: 5-[双(甲基硫代)亚甲基]-2,2-二甲基-1,3-二噁烷-4,6-二酮
• 英文名: 5-[bis(methylsulfanyl)methylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione
• 中文别名: 5-(双(甲硫基)亚甲基)-2,2-二甲基-1,3-二噁烷-4,6-二酮
• 英文别名: 5-[Bis(methylsulfanyl)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione; BIS(METHYLTHIO)METHYLENE MELDRUMS ACID; THIOKETAL; 5-(Bis-methylsolfanyl-methylene)-2,2-dimethyl-[1,3]dioxane-4,6-dione; [BIS(METHYLSULFANYL)METHYLENE]-2,2-DIMETHYL-1,3-DIOXANE-4,6-DIONE; 5-[BIS(METHYLSULFANYL)METHYLENE]-2,2-DIMETHYL-1,3-DIOXANE-4,6-DIONE; 5-[Bis(Methylsulfanyl)Methylene]-2,2-diMethyl-[1,3]dioxan-4,6-dione; 1,3-Dioxane-4,6-dione, 5-[bis(methylthio)methylene]-2,2-dimethyl

物化性质

• 密度: 1.3±0.1 g/cm3
• 沸点: 401.1±45.0 °C at 760 mmHg
• 分子式: C₉H₁₂O₄S₂
• 分子量: 248.319
• 闪点: 202.6±16.7 °C
• 精确质量: 248.017700
• PSA: 103.20000
• LogP: -0.29
• 蒸汽压: 0.0±0.9 mmHg at 25°C
• 折射率: 1.553

合成路线

74-88-4 ~29% 100981-05-3

文献：BOEHRINGER INGELHEIM PHARMACEUTICALS, INC. Patent: WO2005/56562 A1, 2005 ; Location in patent: Page/Page column 79 ; WO 2005/056562 A1

2033-24-1 74-88-4 ~% 100981-05-3

文献：American Home Products Corporation Patent: US4547516 A1, 1985 ;

75-15-0 2033-24-1 74-88-4 ~49% 100981-05-3

文献：Hunter, Gordon A.; McNab, Hamish Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1995 , # 10 p. 1209 - 1214

2033-24-1 ~% 100981-05-3

文献：Huang, Xian; Chen, Bang-Chi Synthesis, 1986 , # 11 p. 967 - 968