N,N-Diethyl butylamine is primarily used as an intermediate in organic synthesis, particularly in the production of pharmaceuticals and agrochemicals. It plays a role in the development of various compounds, including active ingredients for medications and crop protection agents. Additionally, it is utilized in the manufacture of surfactants and corrosion inhibitors, which are essential in industrial applications. Its properties make it suitable for use in chemical reactions that require a basic medium or as a catalyst in specific processes. The compound is also explored in research for its potential in creating new materials or enhancing existing chemical formulations.