63921-06-2

• 常用中文名：dimethyl 2-methyl-3-oxobutanedioate
• 常用英文名：dimethyl 2-methyl-3-oxobutanedioate
• CAS号：63921-06-2
• 分子式：C₇H₁₀O₅
• 分子量：174.15100
• 发布时间：2016-02-16 23:26:25
• 更新时间：2024-01-07 18:02:57

名称

• 英文名: dimethyl 2-methyl-3-oxobutanedioate
• 英文别名: EINECS 264-564-1; Dimethyl methyloxosuccinate; Butanedioic acid,2-methyl-3-oxo-,1,4-dimethyl ester

物化性质

• 密度: 1.172g/cm3
• 沸点: 229ºC at 760mmHg
• 分子式: C₇H₁₀O₅
• 分子量: 174.15100
• 闪点: 93.4ºC
• 精确质量: 174.05300
• PSA: 69.67000
• 折射率: 1.425

安全

• 海关编码: 2918300090

合成路线

553-90-2 554-12-1 ~72% 63921-06-2

文献：Bhat, K. S.; Dixit, K. N.; Rao, A. S. Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1985 , vol. 24, p. 509 - 512

67-56-1 98268-20-3 ~% 63921-06-2

文献：Gallucci, Robert R.; Jones, Maitland Journal of Organic Chemistry, 1985 , vol. 50, # 22 p. 4404 - 4405

553-90-2 ~% 63921-06-2

文献：Nishikawa Rep. Res. Dep. Chem. Kyushu Univ.Chem.Abstr., 1950 , vol. 1, p. 58 Rep. Res. Dep. Chem. Kyushu Univ.Chem.Abstr., 1952 , p. 2499

328-42-7 74-88-4 ~% 63921-06-2

文献：Tsuda, Tetsuo; Chujo, Yoshiki; Takahashi, Seiji; Saegusa, Takeo Journal of Organic Chemistry, 1981 , vol. 46, p. 4980 - 4987

328-42-7 74-88-4 ~% 600-22-6 63921-06-2

文献：Tsuda, Tetsuo; Chujo, Yoshiki; Takahashi, Seiji; Saegusa, Takeo Journal of Organic Chemistry, 1981 , vol. 46, p. 4980 - 4987

海关

海关编码	2918300090
中文概述	2918300090 其他含醛基或酮基不含其他含氧基羧酸（包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物）. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0%
申报要素	品名, 成分含量, 用途
Summary	2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%