英语词典化工词典

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

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


  • 中文别名:野黄芩素-7-甲基醚
  • 英文别名:5,6-dihydroxy-2-(4-hydroxyphenyl)-7-methoxychromen-4-one;
    7-O-methyl-seutellarin;
    5,6,4'-trihydroxy-7-methoxyflavone;
    7-methoxy-4',5,6-trihydroxyflavone;
    5,6-dihydroxy-7,4'-dimethoxyflavone;
    7-methylscutellarein;
    Sorbifolin;
    7-O-methyl-seutellarein 
  • CAS No.:23130-22-5
  • 分子式:C16H12O6
  • 分子量:300.2629
  • 精确分子量:300.06300
  • PSA:100.13000
  • InChI:The Key: UWARRXZVZDFPQU-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.512g/cm3
沸点:
601.7ºC at 760mmHg
闪点:
230.2ºC
折射率:
1.697
蒸汽压:
4.5E-15mmHg at 25°C

安全信息

密度:
1.512g/cm3
沸点:
601.7ºC at 760mmHg
闪点:
230.2ºC
折射率:
1.697
蒸汽压:
4.5E-15mmHg 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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