3,3'-Diaminodipropylamine is widely used as a curing agent in the production of epoxy resins, where it enhances the mechanical and thermal properties of the final product. It is also employed in the synthesis of polyamides and polyurethanes, contributing to the durability and flexibility of these materials. In the pharmaceutical industry, it serves as an intermediate in the manufacture of various drugs, including antimalarials and antihistamines. Additionally, it finds application in the production of corrosion inhibitors, which are essential for protecting metal surfaces in industrial settings. Its role as a chelating agent is significant in water treatment processes, where it helps in the removal of heavy metals from wastewater.