英语词典化工词典

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

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


  • 中文别名:5,7-二羟基-6,8,4-三甲氧基黄酮
  • 中文释义:5,7-二羟基-6,8,4\'-三甲氧基黄酮
  • 英文别名:nevadensin;
    5,7-dihydroxy-4',6,8-trimethoxyflavone;
    5,7-Dihydroxy-6,8-dimethoxy-2-(4-methoxyphenyl)-4H-chromen-4-one;
    5,7-Hexamethylene-2-thiaazulene-6-one;
    5,7-hexamethylene-6H-cyclohepta[c]thiophen-6-one;
    5,12-Methano-6H-cyclododeca[c]thiophen-14-one,6,7,8,9,10,11-hexahydro;
    5,7-dihydroxy-6,8-dimethoxy-2-(4-methoxy-phenyl)-chromen-4-one;
    5,7-dihydroxy-6,8-dimethoxyflavone;
    5,7-dihydroxy-6,8,4'-trimethoxyflavone 
  • CAS No.:10176-66-6
  • 分子式:C18H16O7
  • 分子量:0
  • 精确分子量:344.09000
  • PSA:98.36000
  • InChI:The Key: KRFBMPVGAYGGJE-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.387g/cm3
熔点:
199-200℃ (chloroform methanol )
沸点:
615ºC at 760 mmHg
闪点:
227ºC
折射率:
1.627
蒸汽压:
1.02E-15mmHg at 25°C

安全信息

密度:
1.387g/cm3
熔点:
199-200℃ (chloroform methanol )
沸点:
615ºC at 760 mmHg
闪点:
227ºC
折射率:
1.627
蒸汽压:
1.02E-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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