Dodecan-1-amine Hydroiodide is primarily used in organic synthesis as a phase-transfer catalyst. It facilitates the transfer of reactants between immiscible phases, enhancing reaction rates and yields in various chemical processes. This compound is also employed in the preparation of quaternary ammonium salts, which are widely utilized in surfactants, disinfectants, and fabric softeners. Additionally, it finds application in the synthesis of pharmaceuticals and agrochemicals, where it acts as an intermediate in the production of active ingredients. Its role in the formation of complex organic molecules makes it valuable in research and industrial chemistry.