3-Bromo-4-fluorobenzonitrile（CAS# 79630-23-2)
| Risk Codes | R20/21/22 – Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 – Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 – Wear suitable protective clothing. S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S22 – Do not breathe dust. |
| UN IDs | 3439 |
| WGK Germany | 3 |
| HS Code | 29269090 |
| Hazard Note | Toxic |
| Hazard Class | 6.1 |
| Packing Group | III |
Introduction
It is an organic compound with the chemical formula C7H3BrFN. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: Colorless crystalline solid.
-Melting point: about 59-61°C.
-Boiling point: about 132-133 ℃.
-Odor threshold: No reliable data.
-Solubility: Soluble in organic solvents such as ether, dimethylformamide and benzene, insoluble in water.
Use:
-is an organic synthesis intermediate that can be used to synthesize compounds such as drugs, pesticides and dyes.
-It can be used as a reagent for introducing halogen into aromatic compounds in organic synthesis.
Preparation Method:
-fluorobenzonitrile can be prepared by adding cuprous bromide (CuBr) to 4-fluorobenzonitrile (C7H4FN).
Safety Information:
-It may be irritating and corrosive, and contact with skin and eyes may cause irritation.
-Wear appropriate personal protective equipment such as goggles, gloves, and lab coats during operation.
-When using and storing, it is necessary to comply with safe operating procedures and properly store in a sealed container, away from ignition and oxidizing agents.
-If inhaled or ingested, seek medical attention immediately. If contact occurs, immediately flush the affected area with plenty of water and seek medical help.
