Tridodecylamine is primarily utilized in the extraction and separation of metals, particularly in hydrometallurgical processes. It acts as a selective extractant for metals like zinc, cadmium, and uranium from aqueous solutions, making it valuable in mining and recycling industries. Additionally, it is employed in the purification of rare earth elements, which are critical for electronics, magnets, and renewable energy technologies. Its ability to form stable complexes with metal ions enhances efficiency in these processes. Tridodecylamine is also used in the production of corrosion inhibitors, protecting metal surfaces in industrial applications. Its role as a phase transfer catalyst in organic synthesis further extends its utility in chemical manufacturing.