1-bromo-1-phenylhydrazine
2-bromophenylhydrazine
CAS: 16732-66-4
Molecular Formula: C6H7BrN2
1-bromo-1-phenylhydrazine - Names and Identifiers
| Name | 2-bromophenylhydrazine |
| Synonyms | 2-bromophenylhydrazine 1-bromo-1-phenylhydrazine 1-(2-Bromophenyl)hydrazine Hydrazine, (2-bromophenyl)- |
| CAS | 16732-66-4 |
| EINECS | 240-797-4 |
| InChI | InChI=1/C6H7BrN2/c7-5-3-1-2-4-6(5)9-8/h1-4,9H,8H2 |
1-bromo-1-phenylhydrazine - Physico-chemical Properties
| Molecular Formula | C6H7BrN2 |
| Molar Mass | 187.04 |
| Density | 1.666±0.06 g/cm3(Predicted) |
| Melting Point | 46-48 °C |
| Boling Point | 275.7±23.0 °C(Predicted) |
| Flash Point | 120.5°C |
| Vapor Presure | 0.00502mmHg at 25°C |
| pKa | 4.59±0.10(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2–8 °C |
| Refractive Index | 1.68 |
1-bromo-1-phenylhydrazine - Introduction
2-bromophenylhydrazine is an organic compound with the chemical formula C6H6BrN3. It is a colorless or yellowish crystalline solid with a peculiar odor. The following is a description of the nature, use, preparation and safety information of 2-bromophenylhydrazine:
Nature:
2-bromophenylhydrazine is a stable compound with a high melting point and boiling point. It has low solubility in water, but better solubility in organic solvents. 2-bromophenylhydrazine is a less corrosive compound, but attention should be paid to proper handling and storage methods.
Use:
2-bromophenylhydrazine is widely used in organic synthesis. It is an important synthetic intermediate that can be used to prepare a variety of organic compounds, such as drugs, pesticides and dyes. It can also be used as a photosensitizing dye and as an insecticide.
Method:
2-bromophenylhydrazine can be prepared by the reaction of phenylacetic acid and hydrogen bromide. Phenylacetic acid is first reacted with hydrogen bromide to form α-bromoacetic acid and then with aqueous ammonia to form 2-bromophenylhydrazine.
Safety Information:
When handling 2-bromophenylhydrazine, wear chemical protective gloves and goggles to avoid direct contact with skin and eyes. Use should ensure a well-ventilated laboratory environment to avoid inhalation of aerosols or dust. When stored, it should be kept in a dry, cool place, and away from fire and oxidizing agents. If taken by mistake or inhaled by mistake, seek medical advice immediately.
Nature:
2-bromophenylhydrazine is a stable compound with a high melting point and boiling point. It has low solubility in water, but better solubility in organic solvents. 2-bromophenylhydrazine is a less corrosive compound, but attention should be paid to proper handling and storage methods.
Use:
2-bromophenylhydrazine is widely used in organic synthesis. It is an important synthetic intermediate that can be used to prepare a variety of organic compounds, such as drugs, pesticides and dyes. It can also be used as a photosensitizing dye and as an insecticide.
Method:
2-bromophenylhydrazine can be prepared by the reaction of phenylacetic acid and hydrogen bromide. Phenylacetic acid is first reacted with hydrogen bromide to form α-bromoacetic acid and then with aqueous ammonia to form 2-bromophenylhydrazine.
Safety Information:
When handling 2-bromophenylhydrazine, wear chemical protective gloves and goggles to avoid direct contact with skin and eyes. Use should ensure a well-ventilated laboratory environment to avoid inhalation of aerosols or dust. When stored, it should be kept in a dry, cool place, and away from fire and oxidizing agents. If taken by mistake or inhaled by mistake, seek medical advice immediately.
Last Update：2024-04-09 02:00:42
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