ethyl 4-pyrazolecarboxylate
ethyl 4-pyrazolecarboxylate
CAS: 37622-90-5
Molecular Formula: C6H8N2O2
ethyl 4-pyrazolecarboxylate - Names and Identifiers
| Name | ethyl 4-pyrazolecarboxylate |
| Synonyms | 1H-pyrazol-4-yl propanoate ethyl 4-pyrazolecarboxylate ETHYL 4-PYRAZOLECARBOXYLATE ETHYL PYRAZOLE-4-CARBOXYLATE Ethyl pyrazole-4-carboxylate Ethyl 4-pyarazolecarboxylate ethyl 1H-pyrazole-4-carboxylate Ethyl 1H-pyrazole-4-carboxylate PYRAZOLE-4-CARBOXYLIC ACID ETHYL ESTER 1H-Pyrazole-4-carboxylic acid ethyl ester 1H-Pyrazole-4-carboxylicacid,ethylester(9CI) |
| CAS | 37622-90-5 |
| EINECS | 609-452-9 |
| InChI | InChI=1/C6H8N2O2/c1-2-6(9)10-5-3-7-8-4-5/h3-4H,2H2,1H3,(H,7,8) |
| InChIKey | KACZQOKEFKFNDB-UHFFFAOYSA-N |
ethyl 4-pyrazolecarboxylate - Physico-chemical Properties
| Molecular Formula | C6H8N2O2 |
| Molar Mass | 140.14 |
| Density | 1.2850 (rough estimate) |
| Melting Point | 78-80 °C (lit.) |
| Boling Point | 138-140 °C/3 mmHg (lit.) |
| Flash Point | 138-140°C/3mm |
| Solubility | Miscible with acetone. |
| Vapor Presure | 0.00244mmHg at 25°C |
| Appearance | White powder |
| Color | White to pale yellow |
| pKa | 11.70±0.50(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.5010 (estimate) |
| MDL | MFCD00010844 |
| Physical and Chemical Properties | Off-white crystals |
| Use | Raw materials used in copper-diamine-catalyzed N-arylation reactions. |
ethyl 4-pyrazolecarboxylate - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| HS Code | 29331990 |
| Hazard Class | IRRITANT |
ethyl 4-pyrazolecarboxylate - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| application | ethyl 4-pyrazole formate is an organic synthesis intermediate and a pharmaceutical intermediate, which can be used in laboratory research and development processes and biochemical production processes. |
| Uses | Ethyl 4-pyrazole formate is used to synthesize isoxazol-4-carboxylic acid derivatives and isoxazol-3, 5-dicarboxylic amide herbicides. This product is an impurity of Regadeson, which is used for drug testing and declaration. |
Last Update：2024-04-09 21:54:55
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