英语词典化工词典

2H-1-Benzopyran-3,5,7-triol,2-[3,4-bis(acetyloxy)phenyl]-3,4-dihydro-, 3,5,7-triacetate

2H-1-Benzopyran-3,5,7-triol,2-[3,4-bis(acetyloxy)phenyl]-3,4-dihydro-, 3,5,7-triacetate


  • 中文别名:2-(3,4-二乙酰氧基苯基)-3,4-二氢-2H-苯并吡喃-3,5,7-三基三乙酸酯
  • 英文别名:[5,7-diacetyloxy-2-(3,4-diacetyloxyphenyl)-3,4-dihydro-2H-chromen-3-yl] acetate;
    Epicatechin pentaacetate;
    EINECS 282-687-9 
  • CAS No.:84282-42-8
  • 分子式:C25H24O11
  • 分子量:500.45146
  • 精确分子量:500.13200
  • PSA:140.73000
  • InChI:The Key: BKYWAYNSDFXIPL-JWQCQUIFSA-N
  • 分子结构式:

物化性质

密度:
1.38g/cm3
沸点:
624.2ºC at 760 mmHg
闪点:
266.7ºC
折射率:
1.579

安全信息

密度:
1.38g/cm3
沸点:
624.2ºC at 760 mmHg
闪点:
266.7ºC
折射率:
1.579

海关数据

中国海关编码:2932999099

概述:
2932999099. 其他仅含氧杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素:
品名, 成分含量, 用途
摘要/Summary:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

热门化工词典词汇