英语词典化工词典

4H-1-Benzopyran-4-one,7-bromo-2,3-dihydro-

4H-1-Benzopyran-4-one,7-bromo-2,3-dihydro-


  • 中文别名:7-溴-4-二氢色原酮
  • 中文释义:7-溴-4-二氢色原酮;7-溴-苯并四氢吡喃-4-酮;7-溴色满-4-酮
  • 英文别名:7-bromo-2,3-dihydrochromen-4-one;
    7-BROMO-4-CHROMANONE;
    (rac)-7-bromochroman-4-one;
    7-bromo-2,3-dihydro-1-benzopyran-4-one;
    7-bromochroman-4-one;
    4H-1-Benzopyran-4-one,7-bromo-2,3-dihydro;
    7-bromo-2,3-dihydro-4H-chromen-4-one;
    7-bromo-3,4-dihydro-2H-1-benzopyran-4-one 
  • CAS No.:18442-22-3
  • 分子式:C9H7BrO2
  • 分子量:227.05468
  • 精确分子量:225.96300
  • PSA:26.30000
  • InChI:InChI=1/C9H7BrO2/c10-6-1-2-7-8(11)3-4-12-9(7)5-6/h1-2,5H,3-4H2
  • 分子结构式:

物化性质

密度:
1.622 g/cm3
沸点:
336.585ºC at 760 mmHg
闪点:
157.361ºC
折射率:
1.599
蒸汽压:
0mmHg at 25°C

安全信息

密度:
1.622 g/cm3
沸点:
336.585ºC at 760 mmHg
闪点:
157.361ºC
折射率:
1.599
蒸汽压:
0mmHg at 25°C

海关数据

中国海关编码:2932999099

概述:
2932999099. 其他仅含氧杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素:
品名, 成分含量, 用途
摘要/Summary:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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