2 5-Difluorophenylhydrazine hydrochloride（CAS# 175135-73-6)

2 5-Difluorophenylhydrazine hydrochloride（CAS# 175135-73-6) introduction

2,5-Difluorophenylhydrazine hydrochloride is a chemical substance. The following is a detailed introduction to the properties, uses, preparation methods and safety information of 2,5-difluorophenylhydrazine hydrochloride:

Quality:
1. Appearance: 2,5-difluorophenylhydrazine hydrochloride is a white crystal or crystalline powder.
3. Density: about 1.34 g/cm³.
4. Good solubility in water.

Use:
1. 2,5-difluorophenylhydrazine hydrochloride is often used as a reducing agent, catalyst, intermediate or oxalate protecting group in organic synthesis reactions.
2. It is also commonly used in synthesis processes in the pharmaceutical industry.

Method:
The preparation of 2,5-difluorophenylhydrazine hydrochloride can be obtained by the reaction of phenylhydrazine with difluorobenzene. The specific steps are as follows:
1. Phenylhydrazine is reacted with hydrofluoric acid to obtain 2,5-difluorophenylhydrazine.
2. 2,5-difluorophenylhydrazine is reacted with hydrochloric acid to obtain 2,5-difluorophenylhydrazine hydrochloride.

Safety Information:
1. 2,5-difluorophenylhydrazine hydrochloride is irritating and may cause irritation and burns in contact with the skin and eyes, so care should be taken to avoid contact.
2. Wear protective gloves and goggles when using and storing.
3. Good ventilation conditions should be maintained during use.
4. Avoid contact with flammable substances.
5. Relevant safety operating procedures should be followed during handling and disposal.
6. In case of accidental splashing or inhalation, appropriate first aid measures should be taken immediately and a doctor should be consulted.