Hexamethylditin is primarily used in organic synthesis as a reagent for introducing methyl groups into various compounds. It is particularly valuable in the production of organotin compounds, which have applications in catalysis, stabilizers for plastics, and as biocides. In the semiconductor industry, it serves as a precursor for chemical vapor deposition (CVD) processes to create thin films of tin-containing materials. Additionally, it is employed in research and development for creating specialized organometallic compounds used in pharmaceuticals and agrochemicals. Its role in facilitating specific chemical transformations makes it a versatile tool in both industrial and laboratory settings.