2-Bromo-5-nitroimidazole
2-Bromo-4-nitroimidazole
CAS: 65902-59-2
Molecular Formula: C3H2BrN3O2
2-Bromo-5-nitroimidazole - Names and Identifiers
| Name | 2-Bromo-4-nitroimidazole |
| Synonyms | 2-Bromo-4-nitroimidazole 2-Bromo-5-nitroimidazole 2-BROMO-4-NITROIMIDAZOLE 2-Bromo-4-nitro-1H-imidazole 2-bromo-5-nitro-1H-imidazole 2-Bromo-4-nitro-3H-imidazole |
| CAS | 65902-59-2 |
| EINECS | 613-851-3 |
| InChI | InChI=1/C3H2BrN3O2/c4-3-5-1-2(6-3)7(8)9/h1H,(H,5,6) |
| InChIKey | UWRJWMLKEHRGOH-UHFFFAOYSA-N |
2-Bromo-5-nitroimidazole - Physico-chemical Properties
| Molecular Formula | C3H2BrN3O2 |
| Molar Mass | 191.97 |
| Density | 2.156±0.06 g/cm3(Predicted) |
| Melting Point | 232.0 to 236.0 °C |
| Boling Point | 402.5±37.0 °C(Predicted) |
| Flash Point | 197.2°C |
| Vapor Presure | 1.09E-06mmHg at 25°C |
| Appearance | Solid |
| Color | White to Yellow |
| pKa | 5.65±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.663 |
| MDL | MFCD09038915 |
2-Bromo-5-nitroimidazole - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - 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 |
2-Bromo-5-nitroimidazole - Reference Information
| Application | 2-bromo-4-nitroimidazole is an intermediate in organic synthesis and a pharmaceutical intermediate, can be used in laboratory research and development process and chemical and pharmaceutical synthesis process. |
| Introduction | 2-bromo-4-nitroimidazole is a pale yellow to off-white powder that can be used as a pharmaceutical intermediate. |
| synthesis method | 4-nitroimidazole (VIII) as the starting material, 2, 5-dibromonitroimidazole (XI) is obtained by reaction with brominating reagent in water and in the presence of alkali metal bicarbonate, the latter is reacted with an iodinated reagent in an aprotic solvent to give 2-bromo-5-iodo-2-nitroimidazole (XV). 2-bromo-5-iodo-2-nitroimidazole (XV) is further reacted with a phosphorus reduction reagent in an alcoholic solvent to obtain the target product 2-bromo-4-nitroimidazole (II). |
Last Update：2024-04-09 21:11:58
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