4-Bromo-1-ethynyl-2-fluorobenzene(CAS: 302912-33-0)

4-Bromo-1-ethynyl-2-fluorobenzene (CAS: 302912-33-0) is a crystalline solid with a molecular weight of approximately 243.01 g/mol. It has a low solubility in water but is more soluble in organic solvents like ethanol and acetone. The compound is known for its reactivity, particularly due to the bromine and ethynyl groups, which can participate in various chemical reactions such as electrophilic aromatic substitution and addition reactions.

4-Bromo-1-ethynyl-2-fluorobenzene (CAS: 302912-33-0) is typically synthesized via a multistep process involving halogenation and alkyne coupling. Commonly, a bromination step is followed by a reaction with an ethynyl halide, such as ethynyl bromide, in the presence of a metal catalyst like copper iodide. The yield and selectivity of the reaction can be optimized using appropriate solvents and reaction conditions.

4-Bromo-1-ethynyl-2-fluorobenzene (CAS: 302912-33-0) finds applications in the pharmaceutical and polymer industries. It serves as a key intermediate in the synthesis of various drugs and can also be used in the production of novel polymers with specific functional properties. Additionally, it has potential uses in the development of sensors and semiconductors due to its unique chemical structure.

When handling 4-Bromo-1-ethynyl-2-fluorobenzene (CAS: 302912-33-0), appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat should be worn. Work should be carried out in a well-ventilated area or a fume hood to minimize exposure to fumes. Spills should be cleaned up immediately using appropriate absorbents and followed by rinsing the area with water. Always refer to the Material Safety Data Sheet (MSDS) for detailed safety information and emergency procedures.