5-Bromo-2-iodo-pyridine
5-Bromo-2-iodopyridine
CAS: 223463-13-6
Molecular Formula: C5H3BrIN
5-Bromo-2-iodo-pyridine - Names and Identifiers
| Name | 5-Bromo-2-iodopyridine |
| Synonyms | 5-Bromo-2-iodopyridine 5-CroMo-2-iodopyridine 5-BROMO-2-IDIOPYRIDINE 2-iodo-5-bromopyridine 5-bromo-2-lodopyridine 5-Bromo-2-iodo-pyridine 2-iodine-5-broMopyridine PYRIDINE, 5-BROMO-2-IODO- |
| CAS | 223463-13-6 |
| EINECS | 606-990-6 |
| InChI | InChI=1/C5H3BrIN/c6-4-1-2-5(7)8-3-4/h1-3H |
| InChIKey | HSNBRDZXJMPDGH-UHFFFAOYSA-N |
5-Bromo-2-iodo-pyridine - Physico-chemical Properties
| Molecular Formula | C5H3BrIN |
| Molar Mass | 283.89 |
| Density | 2.347±0.06 g/cm3(Predicted) |
| Melting Point | 113-117 °C (lit.) |
| Boling Point | 258.8±20.0 °C(Predicted) |
| Flash Point | 110.3°C |
| Solubility | DMSO, Methanol (Slightly) |
| Vapor Presure | 0.0218mmHg at 25°C |
| Appearance | Bright yellow crystal |
| Color | White to beige |
| BRN | 2119 |
| pKa | -0.51±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Stability | Light Sensitive |
| Sensitive | Light Sensitive |
| Refractive Index | 1.665 |
| MDL | MFCD00691506 |
| Physical and Chemical Properties | Melting point 112-113°C |
5-Bromo-2-iodo-pyridine - 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 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| HS Code | 29333990 |
| Hazard Note | Irritant |
| Hazard Class | IRRITANT, LIGHT SENS |
5-Bromo-2-iodo-pyridine - Reference Information
| Application | 5-bromo-2-iodopyridine is an organic intermediate, which can be replaced by 2, 5-dibromopyridine with sodium iodide halogen. It has been reported in the literature that it can be used to prepare electrochromic compounds 1,1 "'-dihexyl-[4,3': 6 ', 2": 5 ", 4"'-tetrapyridine]-1,1 "'-dionium bis (tetrafluoroborate)(II-3a) and 1,1"'-dihexyl -1 ', 1 "-dimethyl-[4,3': 6 ', 2": 5 ", 4"'-tetrapyridine]-1,1 ', 1 ", 1"'-tetraonium tetra (tetrafluoroborate). |
| Preparation | Water-based HI(57%) was added to 2,5-dibromopyridine (12.60g,53.2mmol) and NaI(11.40g,76mmol). The resulting mixture was heated under reflux for 24h, cooled and then diluted with water (100mL). The resulting mixture was alkalized with NaHCO3 and treated with Na2S2O4 until colorless. The mixture was extracted with DCM(5 × 60mL) and the dried (Na2SO4) solvent was removed under reduced pressure. The residue was collected by filtration and washed with Et2O(60mL) and air-dried to give 5-bromo-2-iodopyridine (8.28g,55%) in a light gray powder. |
Last Update：2024-04-09 20:52:54
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