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CAS RN: 37091-73-9 | 產品號碼: C1639
2-Chloro-1,3-dimethylimidazolinium Chloride (ca. 25% in Dichloromethane)
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產品規格
Appearance | Light yellow to Brown clear liquid |
Concentration(Argentometric Titration) | 25.0 to 29.0 w/w% |
性質
GHS
圖形表示 | |
信號詞 | Danger |
危險性說明 | H302 : Harmful if swallowed. H315 : Causes skin irritation. H319 : Causes serious eye irritation. H370 : Causes damage to organs. H372 : Causes damage to organs through prolonged or repeated exposure. H373 : May cause damage to organs through prolonged or repeated exposure. H341 : Suspected of causing genetic defects. H350 : May cause cancer. H411 : Toxic to aquatic life with long lasting effects. |
防範說明 | P501 : Dispose of contents/ container to an approved waste disposal plant. P273 : Avoid release to the environment. P260 : Do not breathe dust/ fume/ gas/ mist/ vapors/ spray. P270 : Do not eat, drink or smoke when using this product. P202 : Do not handle until all safety precautions have been read and understood. P201 : Obtain special instructions before use. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection. P302 + P352 : IF ON SKIN: Wash with plenty of water. P391 : Collect spillage. 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. P308 + P311 : IF exposed or concerned: Call a POISON CENTER/doctor. P362 + P364 : Take off contaminated clothing and wash it before reuse. P332 + P313 : If skin irritation occurs: Get medical advice/ attention. P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth. P405 : Store locked up. |
相關法規
運輸資料
UN編號 | UN1593 |
類別 | 6.1 |
包裝類別 | III |
HS編碼* | 2933.29-000 |
Application
Condensing Agent
Experimental procedure1): To a solution of 3-phenylpropionic Acid (1.0 eq.), tert-butyl alcohol (1.0 eq.), and DMC (1.0 eq.) in dichloromethane is added dropwise pyridine (2.0 eq.) at room temperature. The mixture is stirred for 20 h at room temperature, poured into water, and extracted with dichloromethane. The organic solution is successively washed with 5% HCl, aqueous saturated NaHCO3, and water. It is dried (MgSO4) and evaporated to dryness. The residue is purified by silica gel column chromatography to give 1 in 91% yield.
References
- 1)2-Chloro-1,3-dimethylimidazolinium Chloride. 1. A Powerful Dehydrating Equivalent to DCC
- 2)2-Chloro-1,3-dimethylimidazolinium Chloride. 2. Its Application to the Construction of Heterocycles through Dehydration Reactions
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