反式-4-氧基-2-丁烯酸乙酯

反式-4-氧基-2-丁烯酸乙酯

Ethyl trans-4-oxo-2-butenoate, 96%

2960-66-9

C6H8O3

128.12600

43.37000

0.30460

128.04700

1.455

78.6ºC

184-188ºC

-9ºC

1.063

0.343mmHg at 25°C

S23-S36/37/39-S45

III

UN 2927

R25; R34; R43

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: