Cyclohexyldiphenylphosphine is primarily used as a ligand in various catalytic processes, particularly in transition metal-catalyzed reactions. Its role as a phosphine ligand enhances the efficiency and selectivity of catalysts in organic synthesis, including hydrogenation, hydroformylation, and cross-coupling reactions. It is also employed in the production of fine chemicals and pharmaceuticals, where precise control over reaction pathways is crucial. Additionally, its stability and electronic properties make it suitable for use in asymmetric catalysis, contributing to the synthesis of chiral compounds.