29232-39-1
2,3-Dibromo-5-methylpyridine
CAS: 29232-39-1
Molecular Formula: C6H5Br2N
29232-39-1 - Names and Identifiers
29232-39-1 - Physico-chemical Properties
| Molecular Formula | C6H5Br2N |
| Molar Mass | 250.92 |
| Density | 1.911±0.06 g/cm3(Predicted) |
| Melting Point | 53.0 to 57.0 °C |
| Boling Point | 270.8±35.0 °C(Predicted) |
| Flash Point | >110℃ |
| Vapor Presure | 0.0111mmHg at 25°C |
| Appearance | Solid |
| pKa | -1.27±0.20(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Refractive Index | 1.593 |
| MDL | MFCD04112574 |
29232-39-1 - Risk and Safety
| 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. R41 - Risk of serious damage to eyes R25 - Toxic if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S39 - Wear eye / face protection. |
| UN IDs | UN 2811 6.1 / PGIII |
| WGK Germany | 3 |
| Hazard Class | IRRITANT |
29232-39-1 - Introduction
2,3-dibromo-5-methylpyridine (2,3-dibromo-5-methylpyridine) is an organic compound with the chemical formula C6H5Br2N. The following is a description of its nature, use, preparation and safety information:
Nature:
2,3-dibromo-5-methylpyridine is a yellow solid with a pungent odor. It has a melting point of about 63-65 degrees Celsius and a boiling point of about 269-271 degrees Celsius. It is insoluble in water and soluble in organic solvents.
Use:
2,3-dibromo-5-methylpyridine is a versatile organic synthesis intermediate. It can be used to synthesize other organic compounds, such as derivatives of biologically active substances, drugs and pesticides. It can also be used for material synthesis of electronic devices such as organic light-emitting diodes (OLED) and organic batteries.
Method:
2,3-dibromo-5-methylpyrridine can be obtained by reacting 5-methylpyridine with bromine. 5-Methylpyridine first reacts with hydrogen bromide, and then continues to react with methyl chloride in the presence of a catalyst to produce the target product.
Safety Information:
2,3-dibromo-5-methylpyrridine is irritating and may cause irritation to the eyes, skin and respiratory system. During use, the safe operation procedures should be strictly observed, direct contact with skin and eyes should be avoided, and the operation should be ensured in a well-ventilated place. During handling and storage, care should be taken to avoid contact with oxidants and flammable materials to prevent the risk of fire and explosion. If inhaled or exposed to this compound, seek medical advice immediately and consult a professional doctor.
Nature:
2,3-dibromo-5-methylpyridine is a yellow solid with a pungent odor. It has a melting point of about 63-65 degrees Celsius and a boiling point of about 269-271 degrees Celsius. It is insoluble in water and soluble in organic solvents.
Use:
2,3-dibromo-5-methylpyridine is a versatile organic synthesis intermediate. It can be used to synthesize other organic compounds, such as derivatives of biologically active substances, drugs and pesticides. It can also be used for material synthesis of electronic devices such as organic light-emitting diodes (OLED) and organic batteries.
Method:
2,3-dibromo-5-methylpyrridine can be obtained by reacting 5-methylpyridine with bromine. 5-Methylpyridine first reacts with hydrogen bromide, and then continues to react with methyl chloride in the presence of a catalyst to produce the target product.
Safety Information:
2,3-dibromo-5-methylpyrridine is irritating and may cause irritation to the eyes, skin and respiratory system. During use, the safe operation procedures should be strictly observed, direct contact with skin and eyes should be avoided, and the operation should be ensured in a well-ventilated place. During handling and storage, care should be taken to avoid contact with oxidants and flammable materials to prevent the risk of fire and explosion. If inhaled or exposed to this compound, seek medical advice immediately and consult a professional doctor.
Last Update：2024-04-09 15:17:56
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