5-Bromoquinoxaline
5-Bromoquinoxaline
CAS: 76982-23-5
Molecular Formula: C8H5BrN2
5-Bromoquinoxaline - Names and Identifiers
| Name | 5-Bromoquinoxaline |
| Synonyms | 5-BromoquinoxaL 5-Bromoquinoxaline 5-BROMOQUINOXALINE quinoxaline, 5-bromo- Quinoxaline, 5-bromo- 5-Bromo-1,4-benzodiazine |
| CAS | 76982-23-5 |
| InChI | InChI=1/C8H5BrN2/c9-6-2-1-3-7-8(6)11-5-4-10-7/h1-5H |
5-Bromoquinoxaline - Physico-chemical Properties
| Molecular Formula | C8H5BrN2 |
| Molar Mass | 209.04 |
| Density | 1.656 |
| Boling Point | 300 °C |
| Flash Point | 135 °C |
| Vapor Presure | 0.00203mmHg at 25°C |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | 1.685 |
5-Bromoquinoxaline - Introduction
5-Bromoquinoxaline is an organic compound with the chemical formula C8H5BrN2. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 5-Bromoquinoxaline is a colorless to pale yellow crystal or powder.
-Solubility: It can be dissolved in some organic solvents, such as ethanol, dimethylformamide and dichloromethane.
-Melting point: Its melting point range is 114-118°C.
-Stability: 5-Bromoquinoxaline is stable at room temperature, but it needs to be stored in the dark because it is sensitive to light.
Use:
- 5-Bromoquinoxaline is useful as an intermediate in organic synthesis. It is an important raw material for the synthesis of other compounds, such as the preparation of drugs, dyes and photosensitive materials.
Preparation Method:
The preparation of 5-Bromoquinoxaline can be carried out by the following steps:
1. 2,3-diaminopyridine and methyl bromide react to generate 2-amino -3-methyl pyridine.
2. 2-amino -3-methyl pyridine reacts with phthalic acid dianhydride to generate 5-methyl quinoxaline.
5-Bromoquinoxaline can be obtained by the reaction of 3. 5-methyl quinoxaline and bromine gas.
Safety Information:
- 5-Bromoquinoxaline is an organic bromide with certain toxicity and irritation. Wear appropriate protective equipment such as goggles, gloves and laboratory coats during use and operation.
-Avoid inhalation, ingestion or contact with skin. In case of accidental contact, rinse immediately with plenty of water and seek medical help.
-During storage, 5-Bromoquinoxaline should be placed in a sealed container to avoid contact with air and humidity.
Nature:
-Appearance: 5-Bromoquinoxaline is a colorless to pale yellow crystal or powder.
-Solubility: It can be dissolved in some organic solvents, such as ethanol, dimethylformamide and dichloromethane.
-Melting point: Its melting point range is 114-118°C.
-Stability: 5-Bromoquinoxaline is stable at room temperature, but it needs to be stored in the dark because it is sensitive to light.
Use:
- 5-Bromoquinoxaline is useful as an intermediate in organic synthesis. It is an important raw material for the synthesis of other compounds, such as the preparation of drugs, dyes and photosensitive materials.
Preparation Method:
The preparation of 5-Bromoquinoxaline can be carried out by the following steps:
1. 2,3-diaminopyridine and methyl bromide react to generate 2-amino -3-methyl pyridine.
2. 2-amino -3-methyl pyridine reacts with phthalic acid dianhydride to generate 5-methyl quinoxaline.
5-Bromoquinoxaline can be obtained by the reaction of 3. 5-methyl quinoxaline and bromine gas.
Safety Information:
- 5-Bromoquinoxaline is an organic bromide with certain toxicity and irritation. Wear appropriate protective equipment such as goggles, gloves and laboratory coats during use and operation.
-Avoid inhalation, ingestion or contact with skin. In case of accidental contact, rinse immediately with plenty of water and seek medical help.
-During storage, 5-Bromoquinoxaline should be placed in a sealed container to avoid contact with air and humidity.
Last Update：2024-04-09 15:17:59
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CAS: 76982-23-5
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Mobile: 18021002903
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