2033-45-6
3,5-Dimethyl-4-iodopyrazole
CAS: 2033-45-6
Molecular Formula: C5H7IN2
2033-45-6 - Names and Identifiers
| Name | 3,5-Dimethyl-4-iodopyrazole |
| Synonyms | 3,5-DIMETHYL-4-IODOPYRAZOLE 3,5-Dimethyl-4-iodopyrazole 3.5-Dimethyl-4-lodo pyrazole 3,5-Dimethyl-4-lodo pyrazole Pyrazole, 3,5-dimethyl-4-iodo- 3,5-Dimethyl-4-iodo-1H-pyrazole 3,5-DIMETHYL-4-IODO-1H-PYRAZOLE 4-iodo-3,5-dimethyl-1H-pyrazole |
| CAS | 2033-45-6 |
| InChI | InChI=1/C5H7IN2/c1-3-5(6)4(2)8-7-3/h1-2H3,(H,7,8) |
2033-45-6 - Physico-chemical Properties
| Molecular Formula | C5H7IN2 |
| Molar Mass | 222.03 |
| Density | 1.920±0.06 g/cm3(Predicted) |
| Melting Point | 136-140 °C |
| Boling Point | 297.3±35.0 °C(Predicted) |
| Flash Point | 133.6°C |
| Vapor Presure | 0.00241mmHg at 25°C |
| Appearance | Light white crystal powder |
| Maximum wavelength(λmax) | 223nm(EtOH)(lit.) |
| pKa | 14.11±0.50(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Sensitive | Light Sensitive |
| Refractive Index | 1.633 |
| MDL | MFCD00040247 |
2033-45-6 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S39 - Wear eye / face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| RTECS | UQ6517000 |
| HS Code | 29331990 |
| Hazard Class | IRRITANT |
2033-45-6 - Reference Information
| application | 3,5-dimethyl -4-iodopyrazole can be used as an organic synthesis intermediate and a pharmaceutical intermediate, mainly used in laboratory research and development process and chemical production process. |
| preparation | 3, 5-dimethyl-1H-pyrazole (100mg,1.04mmol) was dissolved in 1.0mL TFA. N-iodosuccinimide (234mg,1.04mmol) was added to the whole part. The reaction was stirred at room temperature for 1 hour. The LCMS showed a complete response. Add water and EtOAc and separate the phases. The organic phase was washed with an aqueous solution of saturated sodium sulfite and dehydrated by sodium sulfate, filtered and concentrated. 230mg of crude white solid product (1.04mmol,99%) was obtained. |
Last Update：2024-04-09 01:59:59
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