英语词典化工词典

4H-1-Benzopyran-4-one,2,3-dihydro-2-(4-hydroxyphenyl)-5,7-dimethoxy-

4H-1-Benzopyran-4-one,2,3-dihydro-2-(4-hydroxyphenyl)-5,7-dimethoxy-


  • 中文别名:2-(4-羟基苯基)-5,7-二甲氧基-2,3-二氢-4H-苯并吡喃-4-酮
  • 英文别名:2-(4-hydroxyphenyl)-5,7-dimethoxy-2,3-dihydrochromen-4-one;
    5,7-di-O-methylnaringenin;
    5,7-Dimethoxy-4'-hydroxyflavanone;
    5,7-Dimethoxy-4'-hydroxy-flavanon;
    2-(4-hydroxyphenyl)-5,7-dimethoxychroman-4-one;
    4'-Hydroxy-5.7-dimethoxyflavon-4-on;
    Naringenin 5,7-dimethyl ether 
  • CAS No.:26207-67-0
  • 分子式:C17H16O5
  • 分子量:300.31
  • 精确分子量:300.10000
  • PSA:64.99000
  • InChI:The Key: REBBZOCNEVVAPX-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.281g/cm3
沸点:
524.4ºC at 760 mmHg
闪点:
196ºC
折射率:
1.596
蒸汽压:
1.29E-11mmHg at 25°C

安全信息

密度:
1.281g/cm3
沸点:
524.4ºC at 760 mmHg
闪点:
196ºC
折射率:
1.596
蒸汽压:
1.29E-11mmHg at 25°C

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%

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