英语词典化工词典

4H-1-Benzopyran-4-one,8-hydroxy-7-methoxy-2-phenyl-

4H-1-Benzopyran-4-one,8-hydroxy-7-methoxy-2-phenyl-


  • 中文别名:8-羟基-7-甲氧基黄酮
  • 中文释义:8-羟基-7-甲氧基黄酮
  • 英文别名:8-hydroxy-7-methoxy-2-phenylchromen-4-one;
    8-hydroxy-7-methoxyflavone;
    7-Methoxy-8-hydroxyflavon;
    8-hydroxy-7-methoxy-2-phenyl-4H-chromen-4-one;
    8-Hydroxy-7-methoxy-2-phenyl-chromen-4-on;
    8-hydroxy-7-methoxyisoflavone;
    8-hydroxy-7-methoxy-2-phenyl-chromen-4-one 
  • CAS No.:40316-76-5
  • 分子式:C16H12O4
  • 分子量:268.26
  • 精确分子量:268.07400
  • PSA:59.67000
  • InChI:The Key: YUFKWMXGTOJNRX-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.329g/cm3
熔点:
226-227ºC
沸点:
464.6ºC at 760mmHg
闪点:
177.1ºC
折射率:
1.641

安全信息

密度:
1.329g/cm3
熔点:
226-227ºC
沸点:
464.6ºC at 760mmHg
闪点:
177.1ºC
折射率:
1.641

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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