23033-97-8

• 常用中文名：diethyl 2-methyl-4,5-dioxocyclopentane-1,3-dicarboxylate
• 常用英文名：diethyl 2-methyl-4,5-dioxocyclopentane-1,3-dicarboxylate
• CAS号：23033-97-8
• 分子式：C₁₂H₁₆O₆
• 分子量：256.25200
• 发布时间：2016-07-03 22:22:22
• 更新时间：2024-02-01 23:31:07

名称

• 英文名: diethyl 2-methyl-4,5-dioxocyclopentane-1,3-dicarboxylate
• 英文别名: 1.2-Dioxo-4-methyl-cyclopentan-3.5-dicarbonsaeure-diaethylester; Diethyl 4,5-dioxo-2-methyl-1,3-cyclopentanedicarboxylate; Diethyl 2-methyl-4,5-dioxo-1,3-cyclopentanecarboxylate; 2-methyl-4,5-dioxo-cyclopentane-1,3-dicarboxylic acid diethyl ester; 2-Methyl-4,5-dioxo-cyclopentan-1,3-dicarbonsaeure-diaethylester; 1,3-Cyclopentanedicarboxylic acid,2-methyl-4,5-dioxo-,1,3-diethyl ester; 1,3-Cyclopentanedicarboxylic acid,2-methyl-4,5-dioxo-,diethyl ester; EINECS 245-390-5

物化性质

• 密度: 1.22g/cm3
• 沸点: 358.2ºC at 760mmHg
• 分子式: C₁₂H₁₆O₆
• 分子量: 256.25200
• 闪点: 157.5ºC
• 精确质量: 256.09500
• PSA: 86.74000
• LogP: 0.13290
• 蒸汽压: 2.59E-05mmHg at 25°C
• 折射率: 1.475

安全

• 海关编码: 2918300090

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%