英语词典化工词典

4H-1-Benzopyran-4-one,5-hydroxy-3,7-dimethoxy-2-(4-methoxyphenyl)-

4H-1-Benzopyran-4-one,5-hydroxy-3,7-dimethoxy-2-(4-methoxyphenyl)-


  • 中文别名:莰非醇-3,7,4’-三甲醚
  • 中文释义:莰非醇-3,7,4’-三甲醚;莰非醇-3,7,4`-三甲醚;莰非醇-3,7,4\'-三甲醚
  • 英文别名:5-hydroxy-3,7-dimethoxy-2-(4-methoxyphenyl)chromen-4-one;
    5-hydroxy-3,4',7-trimethoxyflavone;
    Kaempferol trimethylether;
    7-Trimethylkaempferol;
    5-hydroxy-3,7,4'-trimethoxyflavone;
    Kaempferol-3,7,4'-trimethylether;
    3,7,4'-tri-O-methylkaempherol;
    3,4',7-Trimethylkaempferol;
    kaempferol 3,4',7-trimethyl ether;
    3,7,4'-tri-O-methyl-kaempferol 
  • CAS No.:15486-34-7
  • 分子式:C18H16O6
  • 分子量:328.32
  • 精确分子量:328.09500
  • PSA:78.13000
  • InChI:The Key: WSQWAMGRHJQANC-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.36g/cm3
熔点:
157-158ºC
沸点:
549ºC at 760 mmHg
闪点:
202.2ºC
折射率:
1.628
蒸汽压:
1.16E-12mmHg at 25°C

安全信息

密度:
1.36g/cm3
熔点:
157-158ºC
沸点:
549ºC at 760 mmHg
闪点:
202.2ºC
折射率:
1.628
蒸汽压:
1.16E-12mmHg 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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