ethyl 2-methylidenepent-4-ynoate
- 中文别名:2-亚甲基-4-戊酸乙酯
- 英文别名:ethyl 2-methylidenepent-4-ynoate;
2-methylene-pent-4-ynoic acid ethyl ester;
ethyl 2-methylene-4-pentynoate;
4-pentynoic acid,2-methylene-,ethyl ester;
2-methylene-4-pentynoic acid ethyl ester;
ethyl 2-methylenepent-4-ynoate;
ethyl 2-methylenepent-4-yn-1-oate
- CAS No.:54109-54-5
- 分子式:
C8H10O2
- 分子量:138.16400
- 精确分子量:138.06800
- PSA:26.30000
- InChI:The Key: KOZQCKWPLUNGNH-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 0.967g/cm3
- 沸点:
- 224.9ºC at 760 mmHg
- 闪点:
- 60ºC
- 折射率:
- 1.448
安全信息
- 密度:
- 0.967g/cm3
- 沸点:
- 224.9ºC at 760 mmHg
- 闪点:
- 60ºC
- 折射率:
- 1.448
海关数据
中国海关编码:2916190090
- 概述:
- 2916190090 其他不饱和无环一元羧酸(包括其酸酐、酰卤化物,过氧化物和过氧酸以及它们的衍生物)。监管条件:AB(入境货物通关单,出境货物通关单)。增值税率:17.0%。退税率:9.0%。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, 丙烯酸、丙烯酸盐或酯应报明包装
- 监管条件:
- A.入境货物通关单B.出境货物通关单
- 检验检疫:
- R.进口食品卫生监督检验S.出口食品卫生监督检验M.进口商品检验N.出口商品检验
- 摘要/Summary:
- 2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%