154237-70-4
4-bromo-3-cyanopyridine
CAS: 154237-70-4
Molecular Formula: C6H3BrN2
154237-70-4 - Names and Identifiers
| Name | 4-bromo-3-cyanopyridine |
| Synonyms | 4-Bromonicotinonitrile 4-Bromo-3-cyanopyridine 4-BROMO-3-CYANOPYRIDINE 4-bromo-3-cyanopyridine 4-Bromo-pyridine-3-nitrile 4-BROMOPYRIDINE-3-CARBONITRILE 3-Pyridinecarbonitrile,4-broMo- 4-Bromopyridine-3-carbonitrile, 4-Bromo-3-cyanopyridine |
| CAS | 154237-70-4 |
| EINECS | 214-589-6 |
| InChI | InChI=1/C6H3BrN2/c7-6-1-2-9-4-5(6)3-8/h1-2,4H |
154237-70-4 - Physico-chemical Properties
| Molecular Formula | C6H3BrN2 |
| Molar Mass | 183.01 |
| Density | 1.72±0.1 g/cm3(Predicted) |
| Melting Point | 120-122℃ |
| Boling Point | 292.2±25.0 °C(Predicted) |
| Flash Point | 130.518°C |
| Vapor Presure | 0.002mmHg at 25°C |
| pKa | 1.50±0.10(Predicted) |
| Storage Condition | 2-8°C |
| Sensitive | Air & Light Sensitive |
| Refractive Index | 1.612 |
| MDL | MFCD08686971 |
154237-70-4 - Risk and Safety
| Hazard Symbols | T - Toxic |
| Risk Codes | R25 - Toxic if swallowed R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2811 6.1 / PGIII |
| WGK Germany | 3 |
| Packing Group | III |
154237-70-4 - Introduction
4-bromo-3-cyanopyridine is an organic compound with the chemical formula C7H4BrN. The following is a description of its nature, use, preparation and safety information:
Nature:
- 4-bromo-3-cyanopyridine is a solid substance, white crystal at room temperature.
-It is soluble in solvents such as ethanol, acetone and dichloromethane.
-It has a higher melting point and boiling point.
-In chemical reactions, it may occur substitution reactions, addition reactions, etc.
Use:
- 4-bromo-3-cyanopyridine can be used in the preparation of some important intermediates in organic synthesis reactions.
-It is a catalyst in many chemical reactions and synthesis processes.
-In addition, it can also be used in the fields of pigments, dyes and medicine.
Method:
There are many ways to prepare-4-bromo-3-cyanopyridine, one of which is obtained by the reaction of 3-bromopyridine and potassium cyanide. Specifically, 3-bromopyridine is reacted with potassium cyanide in an appropriate solvent to produce 4-bromo-3-cyanopyridine.
Safety Information:
- 4-bromo-3-cyanopyridine is an organic substance, and safety measures in chemical laboratories should be taken during operation.
-It may be irritating to the eyes and skin, so you need to wear protective glasses and gloves during operation.
-Avoid contact with strong oxidants during use or storage to prevent dangerous reactions.
-When accidentally exposed to 4-bromo-3-cyanopyridine, immediately rinse the area that feels injured with plenty of water and seek help from a doctor.
Please note that the information provided above is for reference only. Please follow the chemical safety regulations and operating guidelines in actual operation.
Nature:
- 4-bromo-3-cyanopyridine is a solid substance, white crystal at room temperature.
-It is soluble in solvents such as ethanol, acetone and dichloromethane.
-It has a higher melting point and boiling point.
-In chemical reactions, it may occur substitution reactions, addition reactions, etc.
Use:
- 4-bromo-3-cyanopyridine can be used in the preparation of some important intermediates in organic synthesis reactions.
-It is a catalyst in many chemical reactions and synthesis processes.
-In addition, it can also be used in the fields of pigments, dyes and medicine.
Method:
There are many ways to prepare-4-bromo-3-cyanopyridine, one of which is obtained by the reaction of 3-bromopyridine and potassium cyanide. Specifically, 3-bromopyridine is reacted with potassium cyanide in an appropriate solvent to produce 4-bromo-3-cyanopyridine.
Safety Information:
- 4-bromo-3-cyanopyridine is an organic substance, and safety measures in chemical laboratories should be taken during operation.
-It may be irritating to the eyes and skin, so you need to wear protective glasses and gloves during operation.
-Avoid contact with strong oxidants during use or storage to prevent dangerous reactions.
-When accidentally exposed to 4-bromo-3-cyanopyridine, immediately rinse the area that feels injured with plenty of water and seek help from a doctor.
Please note that the information provided above is for reference only. Please follow the chemical safety regulations and operating guidelines in actual operation.
Last Update：2024-04-09 20:49:11
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