英语词典化工词典

ethyl 2-methylidenepent-4-ynoate

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%

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