dimethyl 2-methyl-3-oxobutanedioate

dimethyl 2-methyl-3-oxobutanedioate名称

[ CAS 号 ]:
63921-06-2

[ 英文名 ]:
dimethyl 2-methyl-3-oxobutanedioate

[英文别名 ]:

EINECS 264-564-1
Dimethyl methyloxosuccinate

dimethyl 2-methyl-3-oxobutanedioate物理化学性质

[ 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

dimethyl 2-methyl-3-oxobutanedioate安全信息

[ 海关编码 ]:
2918300090

dimethyl 2-methyl-3-oxobutanedioate合成路线

详细合成路线

dimethyl 2-methyl-3-oxobutanedioate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%