英语词典化工词典

4H-1-Benzopyran-4-one,3-(3,4-dimethoxyphenyl)-7-methoxy-

4H-1-Benzopyran-4-one,3-(3,4-dimethoxyphenyl)-7-methoxy-


  • 中文别名:3-(3,4-二甲氧基苯基)-7-甲氧基-4H-1-苯并吡喃-4-酮
  • 中文释义:3-(3,4-dimethoxyphenyl)-7-methoxychromen-4-one
  • 英文别名:3-(3,4-dimethoxyphenyl)-7-methoxychromen-4-one;
    3-(3,4-Dimethoxyphenyl)-7-methoxy-4H-chromen-4-one;
    3-(3,4-Dimethoxy-phenyl)-7-methoxy-chromen-4-on;
    Cabreuvin;
    7,3',4'-trimethoxyisoflavone;
    3',4',7-trimethoxy-isoflavone;
    5,3',4'-trihydroxy-7-methoxyisoflavone;
    3-(3,4-dimethoxy-phenyl)-7-methoxy-chromen-4-one 
  • CAS No.:1621-61-0
  • 分子式:C18H16O5
  • 分子量:0
  • 精确分子量:312.10000
  • PSA:57.90000
  • InChI:The Key: UKWLNMIPRJLYGH-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.242g/cm3
沸点:
477.4ºC at 760mmHg
闪点:
212.1ºC
折射率:
1.585
蒸汽压:
2.81E-09mmHg at 25°C

安全信息

密度:
1.242g/cm3
沸点:
477.4ºC at 760mmHg
闪点:
212.1ºC
折射率:
1.585
蒸汽压:
2.81E-09mmHg 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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