(2-Nitrophenyl)hydrazine(CAS#3034-19-3)
Hazard Symbols | Xi – Irritant |
Risk Codes | R36/37/38 – Irritating to eyes, respiratory system and skin. R5 – Heating may cause an explosion |
Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 – Wear suitable gloves and eye/face protection |
Introduction
2-Nitrophenylhydrazine(2-Nitrophenylhydrazine) is an organic compound with the chemical formula C6H6N4O2. It is a yellow crystalline powder.
About nature:
-Appearance: Yellow crystal powder
-Melting point: 117-120 ° C
-Boiling point: 343 ° C (predicted)
-Solubility: Slightly soluble in water, soluble in organic solvents such as ethanol, acetone and dichloromethane
Use:
2-Nitrophenylhydrazine is an organic synthesis intermediate, widely used in the preparation of a variety of organic compounds and dyes. It can be used in the synthesis of carbamic bis (2-Nitrophenylhydrazine) compounds as dye intermediates and precursors of flame retardants.
Method:
2-Nitrophenylhydrazine can be prepared by reacting 2-Nitrophenylhydrazine acid with a suitable reducing agent, such as a sulfite or hydride. The reaction conditions may be determined on a case-by-case basis.
Safety Information:
2-Nitrophenylhydrazine may pose a health hazard when exposed and inhaled. It is irritating and may cause respiratory tract irritation, eye irritation and skin irritation. In addition, 2-Nitrophenylhydrazine is also considered to be possibly carcinogenic and teratogenic. Therefore, use caution and take appropriate protective measures, such as wearing protective gloves, safety glasses and respiratory protective equipment. When storing and handling the compound, it is necessary to observe safe operating procedures.