N-Ethylmethallylamine is primarily used in the synthesis of various organic compounds, particularly in the production of pharmaceuticals and agrochemicals. It serves as a key intermediate in the creation of active ingredients for drugs, including those targeting neurological disorders and cardiovascular diseases. In agrochemical applications, it is utilized in the development of herbicides and pesticides, contributing to enhanced crop protection and yield. Additionally, it finds use in the manufacture of specialty chemicals, such as surfactants and corrosion inhibitors, which are essential in industrial processes. Its reactivity and structural properties make it a valuable component in organic synthesis, enabling the creation of complex molecules with specific functionalities.