3-Bromo-5-(trifluoromethyl)pyridine(CAS: 436799-33-6)

3-Bromo-5-(trifluoromethyl)pyridine is a crystalline solid with a molecular weight of 252.03 g/mol. It is slightly soluble in water but soluble in common organic solvents like ethanol and acetone. Chemically, it is characterized by its high reactivity towards nucleophiles, particularly due to the presence of the bromine and trifluoromethyl groups.

3-Bromo-5-(trifluoromethyl)pyridine can be synthesized through a Friedel-Crafts alkylation reaction using 2,6-dibromopyridine and trifluoroacetyl chloride. This method requires the use of a Lewis acid catalyst such as aluminum chloride (AlCl3) to facilitate the electrophilic aromatic substitution. The reaction typically gives a high yield and high selectivity.

3-Bromo-5-(trifluoromethyl)pyridine finds application in the pharmaceutical industry as a precursor for drug synthesis. It is also used in the polymer industry for the preparation of fluorinated polymers. Additionally, it has potential uses in the semiconductor industry for developing sensors due to its unique electronic properties.

When handling 3-Bromo-5-(trifluoromethyl)pyridine, it is essential to wear appropriate personal protective equipment (PPE) such as gloves, safety goggles, and a lab coat. Work should be conducted in a well-ventilated area or a fume hood to minimize exposure. In case of a spill, immediately contain the spill using absorbent material and dispose of it according to the Material Safety Data Sheet (MSDS) guidelines. Always refer to the SDS for detailed safety information.