20921-01-1
20921-01-1结构式
- 常用中文名：7-methylchroman-2-one
- 常用英文名：7-methylchroman-2-one
- CAS号：20921-01-1
- 分子式：C10H10O2
- 分子量：162.18500
- 发布时间：2017-02-28 21:57:45
- 更新时间：2024-01-09 15:31:29
| 英文名 | 7-methyl-3,4-dihydrochromen-2-one |
|---|---|
| 英文别名 |
dihydrocoumarin
7-methyldihydrocoumarin 3,4-dihydro-7-methyl-2H-1-benzopyran-2-one 7-methyl-3,4-dihydro-2h-chromen-2-one 3,4-dihydro-7-methylcoumarin 7-methyl-3,4-dihydrocoumarin 7-Methyl-chroman-2-one |
| 密度 | 1.157g/cm3 |
|---|---|
| 沸点 | 291.1ºC at 760 mmHg |
| 分子式 | C10H10O2 |
| 分子量 | 162.18500 |
| 闪点 | 117.8ºC |
| 精确质量 | 162.06800 |
| PSA | 26.30000 |
| LogP | 1.84660 |
| 蒸汽压 | 0.00199mmHg at 25°C |
| 折射率 | 1.555 |
| 海关编码 | 2932209090 |
|---|
|
~99%
20921-01-1 |
| 文献：Yates, Peter; Macas, Tadas S. Canadian Journal of Chemistry, 1988 , vol. 66, p. 1 - 10 |
|
~80%
20921-01-1 |
| 文献：Gu, Yonghong; Xue, Kun Tetrahedron Letters, 2010 , vol. 51, # 1 p. 192 - 196 |
|
~%
20921-01-1 |
| 文献：Yates, Peter; Macas, Tadas S. Canadian Journal of Chemistry, 1988 , vol. 66, p. 1 - 10 |
|
~%
20921-01-1 |
| 文献：Powell; Johnson Journal of the American Chemical Society, 1924 , vol. 46, p. 2863 |
|
~%
20921-01-1 |
| 文献：Yang, Dan; Wong, Man-Kin; Yan, Zheng Journal of Organic Chemistry, 2000 , vol. 65, # 13 p. 4179 - 4184 |
| 上游产品 6 | |
|---|---|
| 下游产品 0 | |
| 海关编码 | 2932209090 |
|---|---|
| 中文概述 | 2932209090. 其他内酯. 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 |
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |