英语词典化工词典

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

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


  • 中文别名:5,7-二甲氧基-4\'-羟基黄酮
  • 英文别名:2-(4-hydroxyphenyl)-5,7-dimethoxychromen-4-one;
    apigenin 5,7-dimethyl ether;
    5,7-Dmhf;
    2-(4-Hydroxy-phenyl)-5,7-dimethoxy-chromen-4-on;
    4'-hydroxy-5,7-dimethoxyflavone;
    2-(4-hydroxyphenyl)-5,7-dimethoxy-4h-chromen-4-one;
    4'-Hydroxy-5,7-dimethoxy-flavon;
    5,7-Dimethoxy-4'-hydroxyflavone;
    2-(4-hydroxy-phenyl)-5,7-dimethoxy-chromen-4-one;
    5,7-dimethoxyapigenin;
    5,7-Dimethyl-apigenin 
  • CAS No.:16290-50-9
  • 分子式:C17H14O5
  • 分子量:0
  • 精确分子量:298.08400
  • PSA:68.90000
  • InChI:The Key: ARICZLGTUHLTFQ-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.321g/cm3
沸点:
532.4ºC at 760mmHg
闪点:
200.3ºC
折射率:
1.621
蒸汽压:
5.98E-12mmHg at 25°C

安全信息

密度:
1.321g/cm3
沸点:
532.4ºC at 760mmHg
闪点:
200.3ºC
折射率:
1.621
蒸汽压:
5.98E-12mmHg at 25°C

海关数据

中国海关编码:2914509090

概述:
2914509090 含其他含氧基的酮. 增值税率:17.0% 退税率:9.0% 监管条件:无 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, 丙酮报明包装
摘要/Summary:
HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

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