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CAS RN: 2232-08-8 | Product Number: T1985
1-(p-Toluenesulfonyl)imidazole
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Purity: >98.0%(HPLC)(N)
Synonyms:
- 1-Tosylimidazole
Product Documents:
| Size | Unit Price | Saitama (Kawaguchi) | Hyogo (Amagasaki) | Stock in other WH |
Shipping Information
|
|---|---|---|---|---|---|
| 5G |
¥4,500
|
19 | 4 | Contact Us | |
| 25G |
¥13,300
|
37 | It can be shipped from Saitama warehouse on the same day* | Contact Us |
* Available Stock: Prompt shipment (for products) in Saitama/Hyogo warehouse. Stock In Other WH: Shipment in about 2-3 Business Days from Saitama warehouse. Please contact us
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*TCI frequently reviews storage conditions to optimize them. Please note that the latest information on the storage temperature for the products is described on our website.
* The displayed price is the unit price and does not include consumption tax. The unit prices displayed are the latest and are subject to change without notice.
* To send your quote request for bulk quantities, please click on the "Request Bulk Quote" button. Please note that we cannot offer bulk quantities for some products.
*TCI frequently reviews storage conditions to optimize them. Please note that the latest information on the storage temperature for the products is described on our website.
| Product Number | T1985 |
| Purity / Analysis Method | >98.0%(HPLC)(N) |
| Molecular Formula / Molecular Weight | C__1__0H__1__0N__2O__2S = 222.26 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature | Room Temperature (Recommended in a cool and dark place, <15°C) |
| Store Under Inert Gas | Store under inert gas |
| Condition to Avoid | Moisture Sensitive |
| CAS RN | 2232-08-8 |
| Reaxys Registry Number | 612451 |
| PubChem Substance ID | 87577678 |
| MDL Number | MFCD00005285 |
Specifications
| 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 |
Properties (reference)
| Melting Point | 77 °C |
| Solubility (soluble in) | Methanol |
GHS
| Pictogram |
|
| Signal Word | Warning |
| Hazard Statements | H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
| Precautionary Statements | 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. |
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Application
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)
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