Used primarily as a reagent in organic synthesis, this chemical is instrumental in the formation of carbon-carbon bonds. It is often employed in the preparation of alkynes and other complex organic compounds. In pharmaceutical research, it serves as a building block for the development of various drug molecules, particularly those requiring alkyne functionalities. Additionally, it finds application in the production of specialty chemicals and polymers, where its reactive chloride group facilitates polymerization processes. Its utility in creating intermediates for agrochemicals and dyes further underscores its importance in industrial chemistry.