2-Bromo-1-chloro-4-(trifluoromethyl)benzene(CAS: 454-78-4)

2-Bromo-1-chloro-4-(trifluoromethyl)benzene is a crystalline solid with a molecular weight of 289.02 g/mol. It has a low solubility in water but is soluble in organic solvents like dichloromethane and acetonitrile. Chemically, it is highly reactive towards nucleophiles, particularly towards the bromine and chlorine substituents. It is also known for its strong reactivity with trifluoromethyl groups.

2-Bromo-1-chloro-4-(trifluoromethyl)benzene can be synthesized via a multistep process involving the bromination of a chlorobenzene followed by the introduction of a trifluoromethyl group. Common reagents include N-bromosuccinimide (NBS) for bromination and trifluoromethyl Grignard reagents for trifluoromethylation. The yield is typically around 70-80%, and the process involves careful temperature control and use of appropriate solvents.

2-Bromo-1-chloro-4-(trifluoromethyl)benzene is used in various industries, including pharmaceuticals, where it serves as a precursor for drug synthesis. It is also utilized in the production of certain polymers, sensors, and semiconductor materials. Its unique chemical properties make it valuable in these applications, particularly due to its trifluoromethyl group which provides stability and lipophilicity.

Handling 2-Bromo-1-chloro-4-(trifluoromethyl)benzene requires strict safety measures. It should be done in a well-ventilated area, preferably a fume hood, to minimize exposure to bromine and chlorine fumes. Personal protective equipment (PPE) such as gloves, goggles, and a lab coat is essential. Spills should be cleaned up using appropriate absorbents, and the material safety data sheet (MSDS) should be consulted for detailed emergency procedures. Storage should be in a cool, dry place, away from heat sources and incompatible materials.