英语词典化工词典

4H-1-Benzopyran-4-one,7-hydroxy-2-methyl-3-phenyl-

4H-1-Benzopyran-4-one,7-hydroxy-2-methyl-3-phenyl-


  • 中文别名:7-羟基-2-甲基-3-苯基苯并吡喃-4-酮
  • 中文释义:7-羟基-2-甲基-3-苯基苯并吡喃-4-酮;7-羟基-2-甲基-3-苯基-色烯-4-酮
  • 英文别名:7-hydroxy-2-methyl-3-phenylchromen-4-one;
    7-hydroxy-2-methylisoflavone;
    7-hydroxy-2-methyl-3-phenyl-<4H>-1-benzopyran-4-one;
    7-Hydroxy-2-methyl-3-phenyl-4H-chromen-4-one;
    2-methyl-7-hydroxyisoflavone;
    7-Hydroxy-2-methyl-3-phenyl-chromen-4-one;
    2-Methyl-7-hydroxy-3-phenyl-(4H)-1-benzopyran-7-one;
    7-hydroxy-2-methyl-3-phenylchromone 
  • CAS No.:2859-88-3
  • 分子式:C16H12O3
  • 分子量:0
  • 精确分子量:252.07900
  • PSA:50.44000
  • InChI:The Key: BBCDTCKKROIGAB-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.289g/cm3
沸点:
452.2ºC at 760mmHg
闪点:
173.3ºC
折射率:
1.643
蒸汽压:
8.57E-09mmHg at 25°C

安全信息

密度:
1.289g/cm3
沸点:
452.2ºC at 760mmHg
闪点:
173.3ºC
折射率:
1.643
蒸汽压:
8.57E-09mmHg at 25°C

海关数据

中国海关编码:2914400090

概述:
2914400090 其他酮醇及酮醛。监管条件:无。增值税率:17.0%。退税率:9.0%。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:
2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

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