英语词典化工词典

4H-1-Benzopyran-4-one,2-(3,5-dibromo-4-hydroxyphenyl)-6-hydroxy-3-methyl-

4H-1-Benzopyran-4-one,2-(3,5-dibromo-4-hydroxyphenyl)-6-hydroxy-3-methyl-


  • 中文别名:2-(3,5-二溴-4-羟基苯基)-6-羟基-3-甲基苯并吡喃-4-酮
  • 英文别名:2-(3,5-dibromo-4-hydroxyphenyl)-6-hydroxy-3-methylchromen-4-one;
    3-Methyl-4',6-dihydroxy-3',5'-dibromoflavone;
    3',5'-Dibrom-6,4'-dihydroxy-3-methylflavone;
    FL8;
    6,4'-DIHYDROXY-3-METHYL-3',5'-DIBROMOFLAVONE 
  • CAS No.:104567-72-8
  • 分子式:C16H10Br2O4
  • 分子量:0
  • 精确分子量:423.89500
  • PSA:70.67000
  • InChI:The Key: GKDYOXMZSXVKPP-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.881g/cm3
沸点:
529.1ºC at 760 mmHg
闪点:
273.8ºC
折射率:
1.705
蒸汽压:
8.26E-12mmHg at 25°C

安全信息

密度:
1.881g/cm3
沸点:
529.1ºC at 760 mmHg
闪点:
273.8ºC
折射率:
1.705
蒸汽压:
8.26E-12mmHg at 25°C

海关数据

中国海关编码:2914700090

概述:
2914700090 其他酮及醌的卤化、磺化衍生物(包括硝化和亚硝化衍生物). 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: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

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