5-bromo-2-methylphenylhydrazine,hydrochloride - Names and Identifiers
5-bromo-2-methylphenylhydrazine,hydrochloride - Physico-chemical Properties
Molecular Formula | C7H10BrClN2
|
Molar Mass | 237.52 |
Boling Point | 307.4°C at 760 mmHg |
Flash Point | 139.7°C |
Vapor Presure | 0.000541mmHg at 25°C |
Storage Condition | Room Temprature |
5-bromo-2-methylphenylhydrazine,hydrochloride - Introduction
hydrochloride is an organic compound with the chemical formula C7H8BrN2 · HCl. The following is an introduction to its nature, use, preparation and safety information:
Nature:
-Appearance: colorless or yellowish Crystal
-Melting point: About 155-160 degrees Celsius
-Solubility: Slightly soluble in water, better solubility in ethanol and ether
-Toxicity: The compound has a certain degree of toxicity and should be handled with care and avoid inhalation and skin contact
Use:
-hydrochloride can be used to synthesize other organic compounds, such as pharmaceutical intermediates and dyes
-It can also be used as an important organic synthesis reagent, acting as a catalyst in organic synthesis reactions
Method:
The preparation method of hydrochloride can be carried out by the following steps:
1. Dissolve 2-bromo-5-methylaniline in ethanol
2. Add sodium nitrite and hydrochloric acid, diazotization reaction at room temperature
3. Add anhydrous ether for extraction, and then use hydrogen chloride gas to saturate the ether layer to obtain the product
4. Finally, hydrochloride is obtained by crystallization
Safety Information:
-The compound is toxic and should be handled with care
-Pay attention to protective measures when using and storing, avoid inhalation or contact with skin and eyes
-Pay attention to good ventilation conditions during operation
-If you accidentally come into contact with skin or eyes, rinse immediately with plenty of water and seek medical help
-Please store and handle the compound properly, avoid contact with oxidants and strong acids to prevent unsafe conditions
Last Update:2024-04-09 15:17:55