Triethylene diamine is widely used as a catalyst in the production of polyurethane foams, where it accelerates the reaction between polyols and isocyanates, ensuring efficient foam formation. It is also employed in the synthesis of epoxy resins, enhancing curing processes and improving the final product's mechanical properties. In the pharmaceutical industry, it serves as a building block for various active pharmaceutical ingredients, contributing to the development of drugs. Additionally, it finds application in the manufacture of adhesives and coatings, where it aids in achieving optimal polymerization and stability. Its versatility and effectiveness make it a valuable component in industrial and chemical processes.