Used primarily as a specialty intermediate in organic synthesis, this compound serves in the preparation of complex molecules requiring conjugated diyne functionalities. Its reactivity allows for use in cycloaddition reactions and metal-catalyzed couplings, making it valuable in pharmaceutical research and development of bioactive compounds. It also finds application in materials science, particularly in the synthesis of novel polymers and conjugated systems for electronic materials. Due to its volatility and reactivity, it is handled under controlled conditions in research laboratories.