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CAS RN: 2232-08-8 | 产品编码: T1985
技术规格
| Appearance | White to Almost white powder to crystal |
| Purity(HPLC) | min. 98.0 area% |
| Purity(with Total Nitrogen) | min. 98.0 % |
| Melting point | 75.0 to 79.0 °C |
| Solubility in Methanol | almost transparency |
物性（参考值）
| 熔点 | 77 °C |
| 溶解性（可溶于） | 甲醇 |
GHS
| 象形图 |
|
| 信号词 | Warning |
| 危险性说明 | H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
| 防范说明 | P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. P302 + P352 : IF ON SKIN: Wash with plenty of water. P337 + P313 : If eye irritation persists: Get medical advice/ attention. P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P362 + P364 : Take off contaminated clothing and wash it before reuse. P332 + P313 : If skin irritation occurs: Get medical advice/ attention. |
相关法规
运输信息
| HS编码* | 2933.29-000 |
应用
Esterification of Alcohols with Sodium Carboxylates
Experimental procedure: To a double-necked round bottom flask equipped with a condenser is added a mixture of alcohol (0.01 mol), TsIm (0.012 mol), TEA (0.015 mol), RCO2Na (0.02 mol) and a catalytic amount of TBAI (0.1 g) in DMF (30 mL). The mixture is refluxed until TLC monitoring indicates no further improvement in the conversion. The solvent is evaporated under vacuum and the remaining foam is dissolved in CHCl3 (100 mL) and subsequently washed with water (2 x 100 mL). The organic layer is dried (Na2SO4) and evaporated. The crude product is purified by column chromatography on silica gel eluting with a mixture of n-hexane/EtOAc to afford the desired ester.
References
- A simple procedure for the esterification of alcohols with sodium carboxylate salts using 1-tosylimidazole (TsIm)
参考文献
TCIMail
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技术规格
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