1,6-Bis(diphenylphosphino)hexane is primarily used as a ligand in coordination chemistry and catalysis. It forms stable complexes with transition metals, such as palladium, platinum, and nickel, which are essential in various catalytic processes. These metal complexes are often employed in cross-coupling reactions, including Suzuki and Heck reactions, which are widely used in organic synthesis to form carbon-carbon bonds. Additionally, its bidentate nature allows for effective chelation, enhancing the stability and reactivity of the metal centers in catalytic systems. This compound is also utilized in the development of advanced materials and in research focused on understanding the mechanisms of catalytic reactions.