Undecanedinitrile finds its primary application in the synthesis of specialty chemicals, particularly in the production of polyamides and polyesters. Its bifunctional nature allows it to act as a building block for creating high-performance polymers with enhanced thermal and mechanical properties. These polymers are often utilized in the manufacturing of fibers, coatings, and engineering plastics. Additionally, it serves as an intermediate in organic synthesis, contributing to the development of pharmaceuticals, agrochemicals, and corrosion inhibitors. Its role in cross-linking agents also makes it valuable in the formulation of adhesives and sealants, providing improved durability and resistance.