This chemical is primarily used in organic synthesis as a reagent for introducing tributylstannyl groups into various compounds. It is particularly valuable in cross-coupling reactions, such as the Stille reaction, where it facilitates the formation of carbon-carbon bonds. This makes it useful in the synthesis of complex organic molecules, including pharmaceuticals, agrochemicals, and advanced materials. Additionally, it can serve as a protecting group for sulfonates in multi-step synthetic processes, enabling selective transformations in complex molecular frameworks. Its application is often seen in research and development settings, where precise control over chemical reactions is essential.