英语词典化工词典

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

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


  • 中文别名:4\',6,7-三羟异黄酮
  • 中文释义:4’,6,7-三羟异黄酮;6,7-二羟基-3-(4-羟基苯基)-4H-苯并吡喃-4-酮;4\',6,7-三羟基异黄酮
  • 英文别名:4',6,7-trihydroxyisoflavone;
    6,7,4'-trihydroxyisoflavon;
    6,7-dihydroxy-3-(4-hydroxyphenyl)-4H-chromen-4-one;
    6,7-dihydroxy-3-(4-hydroxyphenyl)chromen-4-one;
    Demethyltexasin;
    6-hydroxydaidziein;
    6,7,4'-trihydroxyisoflavone;
    6-Hydroxydaidzein;
    4',6,7-trihydroxy-isoflavone 
  • CAS No.:17817-31-1
  • 分子式:C15H10O5
  • 分子量:270.24
  • 精确分子量:270.05300
  • PSA:90.90000
  • InChI:InChI=1/C15H10O5/c16-9-3-1-8(2-4-9)11-7-20-14-6-13(18)12(17)5-10(14)15(11)19/h1-7,16-18H
  • 分子结构式:

物化性质

密度:
1.548g/cm3
沸点:
587.1ºC at 760mmHg
闪点:
229.7ºC
折射率:
1.732
蒸汽压:
2.21E-14mmHg at 25°C

安全信息

密度:
1.548g/cm3
沸点:
587.1ºC at 760mmHg
闪点:
229.7ºC
折射率:
1.732
蒸汽压:
2.21E-14mmHg at 25°C

海关数据

中国海关编码:2914501900

概述:
2914501900 其他酮酚。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, 丙酮报明包装
摘要/Summary:
2914501900 other ketone-phenols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

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