4-Oxo-2-pentynoic acid ethyl ester

4-Oxo-2-pentynoic acid ethyl ester名称

[ CAS 号 ]:
54966-49-3

[ 英文名 ]:
4-Oxo-2-pentynoic acid ethyl ester

[英文别名 ]:

ethyl 3-acetylpropynoate
ethyl 4-oxo-pent-2-ynoate
ethyl 3-oxo-1-butyne-1-carboxylate
ethyl 4-oxo-2-pentynoate
InChI=1/C7H8O3/c1-3-10-7(9)5-4-6(2)8/h3H2,1-2H
4-Oxo-2-pentynoic acid ethyl ester
2-Pentynoic acid,4-oxo-,ethyl ester

4-Oxo-2-pentynoic acid ethyl ester物理化学性质

[ 分子式 ]:
C₇H₈O₃

[ 分子量 ]:
140.13700

[ 精确质量 ]:
140.04700

[ PSA ]:
43.37000

[ LogP ]:
0.14190

4-Oxo-2-pentynoic acid ethyl ester安全信息

[ 海关编码 ]:
2918300090

4-Oxo-2-pentynoic acid ethyl ester合成路线

详细合成路线

4-Oxo-2-pentynoic acid ethyl ester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%