23132-21-0
2-Bromo-3-methyl-5-nitropyridine
CAS: 23132-21-0
Molecular Formula: C6H5BrN2O2
23132-21-0 - Names and Identifiers
| Name | 2-Bromo-3-methyl-5-nitropyridine |
| Synonyms | 2-BROMO-5-NITRO-3-PICOLINE 2-Bromo-5-nitro-3-picoline 2-Hydorxy-5-Nitro-3-Picoline 2-BROMO-3-METHYL-5-NITROPYRIDINE 2-Bromo-3-methyl-5-nitropyridine 6-Bromo-5-methyl-3-nitropyridine Pyridine, 2-bromo-3-methyl-5-nitro- 2-HYDROXY-5-NITRO-3-PICOLINE (2-HYDROXY-3-METHYL-5-NITROPYRIDINE) |
| CAS | 23132-21-0 |
| EINECS | 677-832-1 |
| InChI | InChI=1/C6H5BrN2O2/c1-4-2-5(9(10)11)3-8-6(4)7/h2-3H,1H3 |
23132-21-0 - Physico-chemical Properties
| Molecular Formula | C6H5BrN2O2 |
| Molar Mass | 217.02 |
| Density | 1.709±0.06 g/cm3(Predicted) |
| Melting Point | 57-58°C |
| Boling Point | 305.1±37.0 °C(Predicted) |
| Flash Point | 138.3°C |
| Vapor Presure | 0.00151mmHg at 25°C |
| Appearance | Bright yellow solid |
| BRN | 1565441 |
| pKa | -2.95±0.20(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Refractive Index | 1.599 |
| MDL | MFCD03095065 |
23132-21-0 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R21/22 - Harmful in contact with skin and if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S36/37 - Wear suitable protective clothing and gloves. |
| HS Code | 29333990 |
| Hazard Class | IRRITANT |
23132-21-0 - Introduction
It is an organic compound with the chemical formula C6H5BrN2O2. The following is a description of its nature, use, formulation and safety information:
Nature:
-Appearance: It is a yellow to orange crystalline solid.
-Solubility: It is soluble in organic solvents such as ethanol, ether and chloroform at room temperature, but is almost insoluble in water.
-Melting point: The melting point of the melting point is about 110-112 ° C.
Use:
-is often used as an intermediate compound in organic synthesis.
-It can be used to prepare other compounds, such as drugs, dyes and pesticides.
Method:
can be prepared by the following steps:
-First, pyridine is reacted with bromine under basic conditions to obtain 2-bromopyridine.
-Then, through a substitution reaction, 2-bromopyridine is converted to phosphonium under alkaline conditions.
Safety Information:
-is a chemical and should be handled in accordance with safe operating procedures.
-It may be irritating and harmful, so wear appropriate protective equipment such as gloves and goggles when using it.
-When storing, keep it in a dry, dark and well-ventilated place, away from fire and flammable materials.
-In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical help.
Nature:
-Appearance: It is a yellow to orange crystalline solid.
-Solubility: It is soluble in organic solvents such as ethanol, ether and chloroform at room temperature, but is almost insoluble in water.
-Melting point: The melting point of the melting point is about 110-112 ° C.
Use:
-is often used as an intermediate compound in organic synthesis.
-It can be used to prepare other compounds, such as drugs, dyes and pesticides.
Method:
can be prepared by the following steps:
-First, pyridine is reacted with bromine under basic conditions to obtain 2-bromopyridine.
-Then, through a substitution reaction, 2-bromopyridine is converted to phosphonium under alkaline conditions.
Safety Information:
-is a chemical and should be handled in accordance with safe operating procedures.
-It may be irritating and harmful, so wear appropriate protective equipment such as gloves and goggles when using it.
-When storing, keep it in a dry, dark and well-ventilated place, away from fire and flammable materials.
-In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical help.
Last Update：2024-04-09 21:01:54
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