英语词典化工词典

4H-1-Benzopyran-4-one,5,6-dihydroxy-7-methoxy-2-(4-methoxyphenyl)-

4H-1-Benzopyran-4-one,5,6-dihydroxy-7-methoxy-2-(4-methoxyphenyl)-


  • 中文别名:5,6-二羟基-7,4-二甲氧基黄酮
  • 中文释义:5,6-二羟基-7,4\'-二甲氧基黄酮;5,6-dihydroxy-7-methoxy-2-(4-methoxyphenyl)chromen-4-one
  • 英文别名:5,6-dihydroxy-7-methoxy-2-(4-methoxyphenyl)chromen-4-one;
    5,6-Dihydroxy-4',7-dimethoxyflavone;
    ladanein;
    scutellarein 7,4'-dimethylether;
    5,6-dihydroxy-7,4'-dimethoxyflavone 
  • CAS No.:10176-71-3
  • 分子式:C17H14O6
  • 分子量:314.28946
  • 精确分子量:314.07900
  • PSA:89.13000
  • InChI:The Key: UUQJTIHOVGMQIH-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.402g/cm3
熔点:
310-313℃
沸点:
565.7ºC at 760 mmHg
闪点:
212.4ºC
折射率:
1.645
蒸汽压:
2.11E-13mmHg at 25°C

安全信息

密度:
1.402g/cm3
熔点:
310-313℃
沸点:
565.7ºC at 760 mmHg
闪点:
212.4ºC
折射率:
1.645
蒸汽压:
2.11E-13mmHg 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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