(Tributylstannyl)methanol is primarily used in organic synthesis as a reagent for introducing the tributylstannyl group into various molecules. This compound is particularly valuable in the formation of carbon-carbon bonds through Stille coupling reactions, which are widely employed in the synthesis of complex organic molecules, including pharmaceuticals and natural products. Additionally, it serves as a precursor in the preparation of other organotin compounds, which find applications in catalysis, polymer stabilization, and as biocides in antifouling paints. Its role in facilitating selective transformations in organic chemistry makes it a key tool in the development of new chemical entities and materials.