英语词典化工词典

4-hydroxy-but-2-ynal diethyl acetal

4-hydroxy-but-2-ynal diethyl acetal


  • 中文别名:4-hydroxy-but-2-ynal diethyl acetal
  • 中文释义:4-hydroxy-but-2-ynal diethyl acetal
  • 英文别名:4-hydroxy-but-2-ynal diethyl acetal;
    4-hydroxy-but-2-ynal-diethylacetal;
    4,4-diethoxy-but-2-yn-1-ol;
    4-hydroxy-2-butynylaldehyde diethylacetal;
    4-Hydroxy-but-2-inal-diaethylacetal;
    4,4-Diaethoxy-but-2-in-1-ol 
  • CAS No.:18350-44-2
  • 分子式:C8H14O3
  • 分子量:158.19500
  • 精确分子量:158.09400
  • PSA:38.69000
  • 分子结构式:

物化性质

海关代码:
2911000000

安全信息

海关代码:
2911000000

海关数据

中国海关编码:2911000000

概述:
2911000000 缩醛及半缩醛,不论是否含其他含氧基,及其卤化,磺化,硝化和亚硝化衍生物。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:5.5%。普通关税:30.0%
申报要素:
品名, 成分含量, 用途
摘要/Summary:
2911000000 acetals and hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

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