1474-31-3
1474-31-3结构式
- 常用中文名：Benzenepropanoic acid, b-oxo-a-(triphenylphosphoranylidene)-, ethyl ester
- 常用英文名：Benzenepropanoic acid, b-oxo-a-(triphenylphosphoranylidene)-, ethyl ester
- CAS号：1474-31-3
- 分子式：C29H25O3P
- 分子量：452.48100
- 发布时间：2017-09-25 02:15:27
- 更新时间：2025-08-25 10:52:53
| 英文名 | ethyl 3-oxo-3-phenyl-2-(triphenyl-λ5-phosphanylidene)propanoate |
|---|---|
| 英文别名 | upcmld0enat0400-1348:001 |
| 密度 | 1.21g/cm3 |
|---|---|
| 沸点 | 598.1ºC at 760mmHg |
| 分子式 | C29H25O3P |
| 分子量 | 452.48100 |
| 闪点 | 328.2ºC |
| 精确质量 | 452.15400 |
| PSA | 53.18000 |
| LogP | 4.59890 |
| 蒸汽压 | 2.89E-14mmHg at 25°C |
| 折射率 | 1.628 |
| 海关编码 | 2931900090 |
|---|
|
~82%
1474-31-3 |
| 文献：Meshram; Reddy, Gondi Sudershan; Reddy, M. Muratidhar; Yadav Tetrahedron Letters, 1998 , vol. 39, # 23 p. 4107 - 4110 |
|
~68%
1474-31-3 |
| 文献：Ohmori, Hidenobu; Maeda, Hatsuo; Tamaoka, Mie; Masui, Masaichiro Chemical and Pharmaceutical Bulletin, 1988 , vol. 36, # 2 p. 613 - 620 |
|
~52%
1474-31-3 |
| 文献：Wang; Huang Synthetic Communications, 1994 , vol. 24, # 5 p. 689 - 693 |
| 海关编码 | 2931900090 |
|---|---|
| 中文概述 | 2931900090. 其他有机-无机化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:AB(入境货物通关单,出境货物通关单). 最惠国关税:6.5%. 普通关税:30.0% |
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |