Used primarily as an intermediate in the production of nylon-6, 6-aminocapronitrile plays a key role in polymer manufacturing. It is converted into 6-aminocaproic acid, which then forms the building block for nylon-6 fibers and resins. These materials are widely used in textiles, automotive components, and engineering plastics due to their durability and heat resistance. Additionally, 6-aminocapronitrile finds use in the synthesis of specialty chemicals, including certain pharmaceuticals and agrochemicals, where its amine and nitrile functional groups allow for diverse chemical transformations. Its reactivity makes it valuable in organic synthesis for creating nitrogen-containing compounds.