2-NITRO-5-BROMO PYRIDINE(5-BROMO-2-NITROPYRIDINE)
2-Nitro-5-bromopyridine
CAS: 39856-50-3
Molecular Formula: C5H3BrN2O2
2-NITRO-5-BROMO PYRIDINE(5-BROMO-2-NITROPYRIDINE) - Names and Identifiers
| Name | 2-Nitro-5-bromopyridine |
| Synonyms | AKOS BBS-00001330 2-Nitro-5-bromopyridine 5-BROMO-2-NITROPYRIDINE 3-BROMO-6-NITROPYRIDINE 2-NITRO-5-BROMOPYRIDINE 5-Bromo-2-nitropyridine 5-Bromo-2-notropyridine 2-NITRO-5-BROMO PYRIDINE(5-BROMO-2-NITROPYRIDINE) 3-Bromo-6-nitropyridine (5-Bromo-2-nitropyridine) |
| CAS | 39856-50-3 |
| EINECS | 609-748-8 |
| InChI | InChI=1/C5H3BrN2O2/c6-4-1-2-5(7-3-4)8(9)10/h1-3H |
| InChIKey | ATXXLNCPVSUCNK-UHFFFAOYSA-N |
2-NITRO-5-BROMO PYRIDINE(5-BROMO-2-NITROPYRIDINE) - Physico-chemical Properties
| Molecular Formula | C5H3BrN2O2 |
| Molar Mass | 202.99 |
| Density | 1.833±0.06 g/cm3(Predicted) |
| Melting Point | 148-150 °C (lit.) |
| Boling Point | 292.3±20.0 °C(Predicted) |
| Flash Point | 130.6°C |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.00323mmHg at 25°C |
| Appearance | Solid |
| Color | White to yellow to beige powder or crystal or chunks |
| BRN | 120878 |
| pKa | -4.95±0.22(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.614 |
| MDL | MFCD00160411 |
2-NITRO-5-BROMO PYRIDINE(5-BROMO-2-NITROPYRIDINE) - 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. S36/37 - Wear suitable protective clothing and gloves. |
| WGK Germany | 3 |
| HS Code | 29339900 |
| Hazard Class | IRRITANT |
| Packing Group | III |
2-NITRO-5-BROMO PYRIDINE(5-BROMO-2-NITROPYRIDINE) - Reference Information
| Introduction | 5-bromo-2-nitropyridine is an organic intermediate, which can be obtained by oxidation of 2-amino-5-bromopyridine through hydrogen peroxide. There are reports in the literature that it can be used to prepare the intermediates of palbociclib and palbocoxib. |
| preparation | 2.34g of 2-amino -5-bromopyridine was added dropwise to 16ml of 10% H2O2 solution in concentrated H2SO4 at 0 ℃ and stirred. Remove the ice bath and raise it to room temperature. After stirring at room temperature for 5 hours, the reaction mixture was poured into ice and 1.62g of the precipitation product 5-bromo-2-nitropyridine was collected by vacuum filtration. |
Last Update：2024-04-09 02:00:08
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CAS: 39856-50-3
Tel: 17505222756
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