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4H-1-Benzopyran-4-one,2-(3,5-dihydroxy-4-methoxyphenyl)-5-hydroxy-6,7,8-trimethoxy-

4H-1-Benzopyran-4-one,2-(3,5-dihydroxy-4-methoxyphenyl)-5-hydroxy-6,7,8-trimethoxy-


  • 中文别名:4\',6,7,8-四甲氧基-3\',5,5\'-三羟基黄酮
  • 英文别名:2-(3,5-dihydroxy-4-methoxyphenyl)-5-hydroxy-6,7,8-trimethoxychromen-4-one;
    Flavone,3',5,5'-trihydroxy-4',6,7,8-tetramethoxy;
    5,3',5'-trihydroxy-6,7,8,4'-tetramethoxyflavone;
    Gardenin-E;
    3',5,5'-Trihydroxy-4',6,7,8-tetramethoxyflavone 
  • CAS No.:29550-07-0
  • 分子式:C19H18O9
  • 分子量:0
  • 精确分子量:390.09500
  • PSA:127.82000
  • InChI:The Key: PKCHTMJVPXNXSA-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.442g/cm3
沸点:
689.2ºC at 760 mmHg
闪点:
249.4ºC
折射率:
1.632
蒸汽压:
1.25E-19mmHg at 25°C

安全信息

密度:
1.442g/cm3
沸点:
689.2ºC at 760 mmHg
闪点:
249.4ºC
折射率:
1.632
蒸汽压:
1.25E-19mmHg 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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