英语词典化工词典

4H-1-Benzopyran-4-one,7-hydroxy-3-(4-hydroxyphenyl)-6-methoxy-

4H-1-Benzopyran-4-one,7-hydroxy-3-(4-hydroxyphenyl)-6-methoxy-


  • 中文别名:黄豆黄素; 4\',7-二羟基-6-甲氧基异黄酮
  • 中文释义:黄豆黄素;4\',7-二羟基-6-甲氧基异黄酮
  • 英文别名:glycitein;
    Glycetein;
    4H-1-Benzopyran-4-one,7-hydroxy-3-(4-hydroxyphenyl)-6-methoxy;
    7-Hydroxy-3-(4-hydroxyphenyl)-6-methoxy-4H-1-benzopyran-4-one;
    4’,7-dihydroxy-6-methoxyisoflavone;
    Glycitein;
    7-hydroxy-3-(4-hydroxyphenyl)-6-methoxy-4-chromenone;
    7-hydroxy-3-(4-hydroxyphenyl)-6-methoxychromen-4-one;
    7,4'-dihydroxy-6-methoxyisoflavone;
    4,7-Dihydroxy-6-methoxyisoflavone 
  • CAS No.:40957-83-3
  • 分子式:C16H12O5
  • 分子量:284.26
  • 精确分子量:284.06800
  • PSA:79.90000
  • InChI:InChI=1/C16H12O5/c1-20-15-6-11-14(7-13(15)18)21-8-12(16(11)19)9-2-4-10(17)5-3-9/h2-8,17-18H,1H3
  • 分子结构式:

物化性质

外观与性状:
白色粉末
密度:
1.42 g/cm3
熔点:
>300ºC
沸点:
547.4ºC at 760 mmHg
闪点:
210°C
折射率:
1.668

安全信息

外观与性状:
白色粉末
密度:
1.42 g/cm3
熔点:
>300ºC
沸点:
547.4ºC at 760 mmHg
闪点:
210°C
折射率:
1.668

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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