30766-03-1
4-Bromopicolinic acid
CAS: 30766-03-1
Molecular Formula: C6H4BrNO2
30766-03-1 - Names and Identifiers
| Name | 4-Bromopicolinic acid |
| Synonyms | AURORA 23242 AKOS BBS-00005794 IFLAB-BB F1926-0016 OTAVA-BB BB7017520050 4-Bromopicolinic acid 4-BROMOPICOLINIC ACID 4-bromopyridine-2-carboxylate 4-bromopyridine-2-carboxamide 4-BROMO-PYRIDINECARBOXYLIC ACID 4-BROMOPYRIDINE-2-CARBOXYLIC ACID 4-BROMO-2-PYRIDINECARBOXYLIC ACID |
| CAS | 30766-03-1 |
| EINECS | 676-387-0 |
| InChI | InChI=1/C6H4BrNO2/c7-4-1-2-8-5(3-4)6(9)10/h1-3H,(H,9,10)/p-1 |
30766-03-1 - Physico-chemical Properties
| Molecular Formula | C6H4BrNO2 |
| Molar Mass | 202.01 |
| Density | 1.813±0.06 g/cm3(Predicted) |
| Melting Point | 172-174 |
| Boling Point | 347.8±27.0 °C(Predicted) |
| Flash Point | 164.2°C |
| Water Solubility | Sparingly soluble in dimethyl sulfoxide , methanol and water. |
| Solubility | Sparingly Soluble in DMSO, Methanol, Water |
| Vapor Presure | 1.97E-05mmHg at 25°C |
| Appearance | Solid |
| Color | Off-White |
| pKa | 3.25±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| MDL | MFCD03426665 |
30766-03-1 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S36/37 - Wear suitable protective clothing and gloves. |
| HS Code | 29339900 |
| Hazard Class | IRRITANT |
30766-03-1 - Reference Information
| introduction | 4-bromopyridine -2-carboxylic acid is fine needle-like, density: 1.813 g/cm3, boiling point: 347.8°C at 760 mmHg. |
| synthesis method | nitrogen is introduced into a 10 L glass reactor for 30 min, 5 L purified water and 2.0kg (13.23 mol )4-bromo -2-methylpyridine are added, stirring for 30 min, and 5.3kg (33.54 mol) potassium permanganate is added. Raise the temperature, keep the temperature at 70~80 ℃ for 3 h , cool the reaction solution to room temperature, slowly pour the system into 5 L ice water mixture, stir for 30 min, filter, add equal volume dichloromethane (4.5 L) to the filtrate, stir for 2h, filter and dry to obtain 1.9kg white solid 4-bromopyridine -2-carboxylic acid. |
Last Update：2024-04-09 15:16:49
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