Applications
4-Bromobutyryl chloride is used as a precursor for the synthesis of carolic acid by reacting with ethoxymagnesiomalonic ester. It is widely utilized as an intermediate in organic synthesis and pharmaceuticals.

Solubility
Miscible with organic solvents. Immiscible with water.

Notes
Moisture sensitive. Incompatible with strong oxidizing agents. Remove all sources of ignition. Keep the container tightly closed in a dry and well-ventilated place.