英语词典化工词典

4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-3,5,7-trihydroxy-

4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-3,5,7-trihydroxy-


  • 中文别名:3,4-二甲氧基-3,5,7-三羟基黄酮
  • 中文释义:3,4-二甲氧基-3,5,7-三羟基黄酮
  • 英文别名:4H-1-Benzopyran-4-one, 2-(3,4-dimethoxyphenyl)-3,5,7-trihydroxy-;
    2-(3,4-dimethoxyphenyl)-3,5,7-trihydroxychromen-4-one;
    2-(3,4-dimethoxy-phenyl)-3,5,7-trihydroxy-chromen-4-one;
    Dillenetin;
    3',4'-O-dimethylquercetin;
    3',4'-Dimethoxyquercetin;
    3',4'-dimethylquercetin;
    UNII-S3Z5LJ2T0Y;
    2-(3,4-dimethoxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one;
    3,5,7-trihydroxy-3',4'-dimethoxyflavone;
    quercetin-3',4'-dimethyl ether 
  • CAS No.:3306-29-4
  • 分子式:C17H14O7
  • 分子量:330.29
  • 精确分子量:330.07396
  • PSA:109.36000
  • InChI:The Key: MHALJYZRPGYQSI-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.507±0.06 g/cm3
熔点:
182-184 °C
沸点:
562.2±50.0 °C
闪点:
209.5±23.6 °C
水溶解性:
Sparingly Soluble (0.021 g/L)
折射率:
1.681
蒸汽密度:
3.02E-13 Torr

安全信息

密度:
1.507±0.06 g/cm3
熔点:
182-184 °C
沸点:
562.2±50.0 °C
闪点:
209.5±23.6 °C
水溶解性:
Sparingly Soluble (0.021 g/L)
折射率:
1.681
蒸汽密度:
3.02E-13 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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