英语词典化工词典

4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-8-methoxy-

4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-8-methoxy-


  • 中文别名:3,3\',4\',5,7-五羟基-8-甲氧基黄酮
  • 英文别名:2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-8-methoxychromen-4-one;
    3,5,7,3',4'-pentahydroxy-8-methoxyflavone;
    gossypetin 8-methyl ether;
    2-(3,4-dihydroxy-phenyl)-3,5,7-trihydroxy-8-methoxy-chromen-4-one;
    2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-8-methoxy-4H-chromen-4-one;
    Corniculatusin;
    8-methoxyquercetin;
    3,3',4',5,7-Pentahydroxy-8-methoxyflavon 
  • CAS No.:27500-34-1
  • 分子式:C16H12O8
  • 分子量:0
  • 精确分子量:332.05300
  • PSA:140.59000
  • InChI:The Key: ZASFHSAGASJGRN-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.73g/cm3
沸点:
659.4ºC at 760 mmHg
闪点:
249.5ºC
折射率:
1.772
蒸汽压:
5.38E-18mmHg at 25°C

安全信息

密度:
1.73g/cm3
沸点:
659.4ºC at 760 mmHg
闪点:
249.5ºC
折射率:
1.772
蒸汽压:
5.38E-18mmHg 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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