3,5-Dibromo-2-methyl
3,5-Dibromo-2-methylpyridine
CAS: 38749-87-0
Molecular Formula: C6H5Br2N
3,5-Dibromo-2-methyl - Names and Identifiers
| Name | 3,5-Dibromo-2-methylpyridine |
| Synonyms | 3,5-Dibromo-2-methyl 3,5-Dibromo-2-picoline 2-Methyl-3,5-dibromopyridine 3,5-Bibromo-2-methylpyridine 3,5-Dibromo-2-methylpyridine Pyridine, 3,5-dibromo-2-methyl- |
| CAS | 38749-87-0 |
| InChI | InChI=1/C6H5Br2N/c1-4-6(8)2-5(7)3-9-4/h2-3H,1H3 |
3,5-Dibromo-2-methyl - Physico-chemical Properties
| Molecular Formula | C6H5Br2N |
| Molar Mass | 250.92 |
| Density | 1.911±0.06 g/cm3(Predicted) |
| Boling Point | 227.9±35.0 °C(Predicted) |
| Flash Point | 91.6°C |
| Vapor Presure | 0.114mmHg at 25°C |
| pKa | 1.24±0.20(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | 1.593 |
3,5-Dibromo-2-methyl - Introduction
3,5-Dibromo-2-methylpyriridine is an organic compound with a chemical formula of C6H5Br2N. The structure is that the 2 and 6 positions on the pyridine ring are replaced by methyl and bromine atoms, respectively.
Nature:
3,5-Dibromo-2-methylpyriridine is a colorless to pale yellow crystal with a pungent odor. It is a solid at room temperature and has moderate solubility. It has a melting point of 56-58°C and a boiling point of 230-232°C.
Use:
3,5-Dibromo-2-methylpyriridine is widely used in organic synthesis. It can be used as a reagent in the synthesis of various organic compounds, such as drugs, pesticides and dyes. In addition, it can also be used as a reference material in chemical analysis.
Preparation Method:
The preparation method of 3,5-Dibromo-2-methylpyriridine is usually carried out by the alkylation reaction and bromination reaction of pyridine. First, the 2-position in pyridine is methylated with a methylating agent under basic conditions to form 2-picoline. Then, 2-methylpyridine is reacted with bromine to give the final product 3,5-Dibromo-2-methylpyridine.
Safety Information:
3,5-Dibromo-2-methylpyridine is irritating and corrosive and direct contact with skin, eyes and mucous membranes should be avoided. During use, personal protective measures should be taken, such as wearing protective glasses and gloves, and ensuring that the operation is carried out in a well-ventilated place. In addition, it is also a flammable substance and should be kept away from open flames and high temperature environments. If inhaled or ingested by mistake, you should seek medical attention in time.
Nature:
3,5-Dibromo-2-methylpyriridine is a colorless to pale yellow crystal with a pungent odor. It is a solid at room temperature and has moderate solubility. It has a melting point of 56-58°C and a boiling point of 230-232°C.
Use:
3,5-Dibromo-2-methylpyriridine is widely used in organic synthesis. It can be used as a reagent in the synthesis of various organic compounds, such as drugs, pesticides and dyes. In addition, it can also be used as a reference material in chemical analysis.
Preparation Method:
The preparation method of 3,5-Dibromo-2-methylpyriridine is usually carried out by the alkylation reaction and bromination reaction of pyridine. First, the 2-position in pyridine is methylated with a methylating agent under basic conditions to form 2-picoline. Then, 2-methylpyridine is reacted with bromine to give the final product 3,5-Dibromo-2-methylpyridine.
Safety Information:
3,5-Dibromo-2-methylpyridine is irritating and corrosive and direct contact with skin, eyes and mucous membranes should be avoided. During use, personal protective measures should be taken, such as wearing protective glasses and gloves, and ensuring that the operation is carried out in a well-ventilated place. In addition, it is also a flammable substance and should be kept away from open flames and high temperature environments. If inhaled or ingested by mistake, you should seek medical attention in time.
Last Update：2024-04-09 21:01:54
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