N,3-Dimethylbutan-1-amine is primarily used as an intermediate in organic synthesis, particularly in the production of pharmaceuticals and agrochemicals. It plays a role in the creation of compounds with biological activity, such as drugs targeting neurological or cardiovascular systems. Additionally, it is utilized in the development of surfactants and corrosion inhibitors, which are essential in industrial applications. Its structure allows it to act as a building block for more complex molecules, making it valuable in research and manufacturing processes.