4-pyridinecarbonitrile, 3,5-dibromo-
3,5-Dibromo-4-cyanopyridine
CAS: 870244-34-1
Molecular Formula: C6H2Br2N2
4-pyridinecarbonitrile, 3,5-dibromo- - Names and Identifiers
4-pyridinecarbonitrile, 3,5-dibromo- - Physico-chemical Properties
| Molecular Formula | C6H2Br2N2 |
| Molar Mass | 261.9 |
| Density | 2.19±0.1 g/cm3(Predicted) |
| Melting Point | 149-151°C |
| Boling Point | 317.6±42.0 °C(Predicted) |
| Flash Point | 145.9°C |
| Vapor Presure | 0.00038mmHg at 25°C |
| pKa | -2.85±0.28(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.67 |
| MDL | MFCD09263321 |
4-pyridinecarbonitrile, 3,5-dibromo- - Risk and Safety
| Hazard Symbols | T - Toxic |
| Risk Codes | R25 - Toxic if swallowed R41 - Risk of serious damage to eyes R43 - May cause sensitization by skin contact |
| 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.) |
| UN IDs | UN3439 |
| WGK Germany | 3 |
| HS Code | 29333990 |
| Hazard Class | 6.1 |
| Packing Group | III |
4-pyridinecarbonitrile, 3,5-dibromo- - Introduction
3,5-Dibromo-4-cyanopyridine is an organic compound with a chemical formula of C7H3Br2N, a melting point of 42-45°C, and a boiling point of 218-220°C. It is a white crystalline solid, soluble in some organic solvents such as chloroform and dichloromethane.
3,5-Dibromo-4-cyanopyridine has many uses. It can be used as an intermediate in organic synthesis, such as the synthesis of pesticides, pharmaceuticals and dyes. In addition, it can also be used in the preparation of organic electronic devices and optoelectronic materials.
The method of preparing 3,5-Dibromo-4-cyanopyridine is usually through a multi-step synthesis. A common method is to react pyridine with bromine in the presence of sodium carbonate to give 3,5-dibromopyridine. Then, 3,5-dibromopyridine is reacted with potassium cyanide to form 3,5-Dibromo-4-cyanopyridine.
Regarding safety information, 3,5-Dibromo-4-cyanopyridine is a potentially hazardous chemical. It is irritating and corrosive, and can be harmful to the skin and eyes. Appropriate protective measures should be taken during handling and storage, and personal protective equipment such as goggles and gloves should be worn. Also avoid mixing with other chemicals to prevent dangerous reactions. When used in laboratory and industrial environments, relevant safety procedures must be followed.
3,5-Dibromo-4-cyanopyridine has many uses. It can be used as an intermediate in organic synthesis, such as the synthesis of pesticides, pharmaceuticals and dyes. In addition, it can also be used in the preparation of organic electronic devices and optoelectronic materials.
The method of preparing 3,5-Dibromo-4-cyanopyridine is usually through a multi-step synthesis. A common method is to react pyridine with bromine in the presence of sodium carbonate to give 3,5-dibromopyridine. Then, 3,5-dibromopyridine is reacted with potassium cyanide to form 3,5-Dibromo-4-cyanopyridine.
Regarding safety information, 3,5-Dibromo-4-cyanopyridine is a potentially hazardous chemical. It is irritating and corrosive, and can be harmful to the skin and eyes. Appropriate protective measures should be taken during handling and storage, and personal protective equipment such as goggles and gloves should be worn. Also avoid mixing with other chemicals to prevent dangerous reactions. When used in laboratory and industrial environments, relevant safety procedures must be followed.
Last Update：2024-04-09 20:52:54
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CAS: 870244-34-1
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CAS: 870244-34-1
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