4H-1-Benzopyran-4-one,2,3-dihydro-7-nitro-
- 中文别名:7-硝基-4-二氢色原酮
- 中文释义:7-硝基-4-二氢色原酮;2,3-二氢-7-硝基-4H-1-苯并吡喃-4-酮
- 英文别名:7-nitro-2,3-dihydrochromen-4-one;
7-Nitrochroman-4-one;
7-Nitro-4-Chromanone
- CAS No.:22528-79-6
- 分子式:C9H7NO4
- 分子量:193.15618
- 精确分子量:193.03800
- PSA:72.12000
- InChI:InChI=1/C9H7NO4/c11-8-3-4-14-9-5-6(10(12)13)1-2-7(8)9/h1-2,5H,3-4H2
- 分子结构式:
物化性质
- 密度:
- 1.424g/cm3
- 沸点:
- 378.7ºC at 760 mmHg
- 闪点:
- 197.7ºC
- 折射率:
- 1.604
- 蒸汽压:
- 6.15E-06mmHg at 25°C
安全信息
- 密度:
- 1.424g/cm3
- 沸点:
- 378.7ºC at 760 mmHg
- 闪点:
- 197.7ºC
- 折射率:
- 1.604
- 蒸汽压:
- 6.15E-06mmHg 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%