英语词典化工词典

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

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


  • 中文别名:猫眼草酚 C
  • 英文别名:chrysosplenol C;
    5,6,4'-trihydroxy-3,7,3'-trimethoxyflavone;
    Chrysosplenol C;
    4',5,6-trihydroxy-3,3',7-trimethoxyflavone;
    3,7,3'-tri-methylquercetagetin;
    5,6-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-3,7-dimethoxychromen-4-one;
    quercetagetin 3,7,3'-trimethyl ether;
    3,7,3'-O-trimethylquercetagetin;
    Trimethyl-3,3',7-quercetagetin 
  • CAS No.:23370-16-3
  • 分子式:C18H16O8
  • 分子量:0
  • 精确分子量:360.08500
  • PSA:118.59000
  • InChI:The Key: QQBSPLCHDUCBNM-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.54g/cm3
沸点:
648ºC at 760mmHg
闪点:
238.4ºC
折射率:
1.68
蒸汽压:
2.17E-17mmHg at 25°C

安全信息

密度:
1.54g/cm3
沸点:
648ºC at 760mmHg
闪点:
238.4ºC
折射率:
1.68
蒸汽压:
2.17E-17mmHg 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%

热门化工词典词汇