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5,7-Dimethoxy-3,3,4-trihydroxyflavone

5,7-Dimethoxy-3,3,4-trihydroxyflavone


  • 中文别名:5,7-二甲氧基-3,3\'\',4\'\'-三羟基黄酮
  • 中文释义:5,7-二甲氧基-3,3\',4\'-三羟基黄酮
  • 英文别名:4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-3-hydroxy-5,7-dimethoxy-;
    2-(3,4-dihydroxyphenyl)-3-hydroxy-5,7-dimethoxychromen-4-one;
    FLAVONE,5,7-DIMETHOXY-3,3',4'-TRIHYDROXY;
    2-(3,4-dihydroxy-phenyl)-3-hydroxy-5,7-dimethoxy-chromen-4-one;
    5,7-Dimethoxy-3,3',4'-trihydroxyflavone;
    4H-1-Benzopyran-4-one,5,7-dimethoxy-3-hydroxy-2-(3',4'-dihydroxyphenyl);
    2-(3,4-Dihydroxy-phenyl)-3-hydroxy-5,7-dimethoxy-chromen-4-on;
    5,7-Di-O-methylquercetin;
    2-(3,4-dihydroxyphenyl)-3-hydroxy-5,7-dimethoxy-4H-chromen-4-one;
    5,7-O-dimethylquercetin 
  • CAS No.:13459-07-9
  • 分子式:C17H14O7
  • 分子量:0
  • 精确分子量:330.07396
  • PSA:109.36000
  • InChI:The Key: FXGCMNIMMTVBFZ-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.507±0.06 g/cm3
沸点:
608.8±55.0 °C
闪点:
228.0±25.0 °C
水溶解性:
Sparingly Soluble (0.040 g/L)
折射率:
1.681
蒸汽压:
1.13E-15mmHg at 25°C
蒸汽密度:
1.13E-15 Torr

安全信息

密度:
1.507±0.06 g/cm3
沸点:
608.8±55.0 °C
闪点:
228.0±25.0 °C
水溶解性:
Sparingly Soluble (0.040 g/L)
折射率:
1.681
蒸汽压:
1.13E-15mmHg at 25°C
蒸汽密度:
1.13E-15 Torr

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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