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%