4,5-二氧代-环戊烷-1,3-二羧酸 二乙酯

4,5-二氧代-环戊烷-1,3-二羧酸 二乙酯

diethyl 4,5-dioxocyclopentane-1,3-dicarboxylate

10088-87-6

C11H14O6

242.22500

86.74000

-0.11310

242.07900

1.485

155.9ºC

3.82E-05mmHg at 25°C

1.275g/cm3

352.5ºC at 760 mmHg

2918300090

品名, 成分含量, 用途

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%

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%

2918300090. Other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives. General tariff: