20857-17-4
20857-17-4结构式
- 常用中文名：Ethanone, 1,1-(2,4-pyridinediyl)bis- (9CI)
- 常用英文名：Ethanone, 1,1-(2,4-pyridinediyl)bis- (9CI)
- CAS号：20857-17-4
- 分子式：C9H9NO2
- 分子量：163.17300
- 发布时间：2017-05-23 11:22:48
- 更新时间：2025-09-18 16:47:10
| 英文名 | Ethanone, 1,1-(2,4-pyridinediyl)bis- (9CI) |
|---|---|
| 英文别名 |
2,4-diacetylpyridine
1,1'-pyridine-2,4-diyl-bis-ethanone 2,4-Diacetylpyridin 2,3-DIMETHYLIMIDAZO[1,2-A]PYRIDINE-7-CARBALDEHYDE |
| 密度 | 1.119g/cm3 |
|---|---|
| 沸点 | 305.9ºC at 760mmHg |
| 分子式 | C9H9NO2 |
| 分子量 | 163.17300 |
| 闪点 | 143.2ºC |
| 精确质量 | 163.06300 |
| PSA | 47.03000 |
| LogP | 1.48680 |
| 蒸汽压 | 0.0008mmHg at 25°C |
| 折射率 | 1.521 |
| 海关编码 | 2933399090 |
|---|
|
~84%
20857-17-4 |
| 文献：Fontana, Francesca; Minisci, Francesco; Barbosa, Maria Claudia Nogueira; Vismara, Elena Journal of Organic Chemistry, 1991 , vol. 56, # 8 p. 2866 - 2869 |
|
~90%
20857-17-4 |
| 文献：Attia, A.; El-Salam, O. I. Abd; Youssef, T. E. Egyptian Journal of Chemistry, 2000 , vol. 43, # 5 p. 351 - 362 |
|
~%
20857-17-4 |
| 文献：West Jr.; Silverman; Dougherty Journal of the American Chemical Society, 1996 , vol. 118, # 6 p. 1452 - 1463 |
|
~%
20857-17-4
详细
|
| 文献：Chianelli, D.; Testaferri, L.; Tiecco, M.; Tingoli, M. Tetrahedron, 1982 , vol. 38, # 5 p. 657 - 663 |
| 海关编码 | 2933399090 |
|---|---|
| 中文概述 | 2933399090. 其他结构含非稠合吡啶环的化合物. 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, 乌洛托品请注明外观, 6－己内酰胺请注明外观, 签约日期 |
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |