This chemical is primarily used in organic synthesis as a versatile reagent for introducing ethynyl groups into various molecules. It is particularly valuable in the field of medicinal chemistry and materials science, where it facilitates the creation of complex structures through efficient coupling reactions. The compound is also employed in the development of pharmaceuticals, enabling the synthesis of bioactive molecules with potential therapeutic applications. Additionally, it plays a role in the preparation of advanced materials, such as polymers and functionalized surfaces, by acting as a key intermediate in cross-coupling and cycloaddition reactions. Its stability and reactivity make it a preferred choice for researchers working on innovative chemical transformations.