54231-33-3
3-Bromo-2-nitropyridine
CAS: 54231-33-3
Molecular Formula: C5H3BrN2O2
54231-33-3 - Names and Identifiers
| Name | 3-Bromo-2-nitropyridine |
| Synonyms | IFLAB-BB F1371-0193 3-Bromo-2-nitropyridine 2-nitro-3-bromopyridine 3-BROMO-2-NITROPYRIDINE 3-Bromo-2-nitriopyridine 3-Bromo-2-nitropyridine pyridine, 3-bromo-2-nitro- Pyridine, 3-bromo-2-nitro- 3-Bromo-2-nitropyridine AldrichCPR |
| CAS | 54231-33-3 |
| InChI | InChI=1/C5H3BrN2O2/c6-4-2-1-3-7-5(4)8(9)10/h1-3H |
54231-33-3 - Physico-chemical Properties
| Molecular Formula | C5H3BrN2O2 |
| Molar Mass | 202.99 |
| Density | 1.833±0.06 g/cm3(Predicted) |
| Melting Point | 102-104°C |
| Boling Point | 256.9±20.0 °C(Predicted) |
| Flash Point | 109.2°C |
| Vapor Presure | 0.0241mmHg at 25°C |
| BRN | 1637071 |
| pKa | -4.95±0.22(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.614 |
| MDL | MFCD00955614 |
54231-33-3 - Risk and Safety
| Hazard Symbols | T - Toxic |
| 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. 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.) |
| UN IDs | 2811 |
| Hazard Note | Toxic |
| Hazard Class | 6.1 |
| Packing Group | III |
54231-33-3 - Introduction
3-Bromo-2-nitropyridine is an organic compound with the chemical formula C5H3BrN2O2. The following is a description of the nature, use, preparation and safety information of 3-Bromo-2-nitropyridine:
Nature:
-Appearance: 3-Bromo-2-nitropyridine is a white to pale yellow solid.
-Melting point: about 130-132 degrees Celsius.
-Boiling point: about 273-275 degrees Celsius.
-Solubility: Soluble in organic solvents such as ethanol and dimethylthionamide.
Use:
- 3-Bromo-2-nitropyridine can be used to prepare other compounds, such as pharmaceutical intermediates.
-It can also be used as an intermediate for dyes, pesticides and glyphosate.
Preparation Method:
The preparation method of 3-Bromo-2-nitropyridine can be carried out by the following steps:
1. 3-bromopyridine reacts with concentrated nitric acid at low temperature to generate 3-Bromo-2-nitropyridine.
2. The reaction mixture was added to cold water to obtain a solid product.
3. crystallize, dry and purify the solid product to obtain pure 3-Bromo-2-nitropyridine.
Safety Information:
- 3-Bromo-2-nitropyridine may explode under high temperature, high pressure or other inappropriate conditions.
-It is irritating to the eyes, skin and respiratory tract, please wear appropriate protective equipment to operate.
-When used, follow the correct use and handling procedures of chemicals, and store and handle them in accordance with relevant regulations.
Nature:
-Appearance: 3-Bromo-2-nitropyridine is a white to pale yellow solid.
-Melting point: about 130-132 degrees Celsius.
-Boiling point: about 273-275 degrees Celsius.
-Solubility: Soluble in organic solvents such as ethanol and dimethylthionamide.
Use:
- 3-Bromo-2-nitropyridine can be used to prepare other compounds, such as pharmaceutical intermediates.
-It can also be used as an intermediate for dyes, pesticides and glyphosate.
Preparation Method:
The preparation method of 3-Bromo-2-nitropyridine can be carried out by the following steps:
1. 3-bromopyridine reacts with concentrated nitric acid at low temperature to generate 3-Bromo-2-nitropyridine.
2. The reaction mixture was added to cold water to obtain a solid product.
3. crystallize, dry and purify the solid product to obtain pure 3-Bromo-2-nitropyridine.
Safety Information:
- 3-Bromo-2-nitropyridine may explode under high temperature, high pressure or other inappropriate conditions.
-It is irritating to the eyes, skin and respiratory tract, please wear appropriate protective equipment to operate.
-When used, follow the correct use and handling procedures of chemicals, and store and handle them in accordance with relevant regulations.
Last Update：2024-04-09 02:00:46
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