This chemical is primarily used in organic synthesis, particularly in the formation of carbon-carbon bonds. It acts as a reagent in Stille coupling reactions, which are widely employed in the production of complex organic molecules, including pharmaceuticals, agrochemicals, and advanced materials. Its application is crucial in the synthesis of natural products and bioactive compounds, enabling the construction of intricate molecular structures. Additionally, it is utilized in the development of polymers and materials with specific electronic or optical properties, making it valuable in research and industrial chemistry.