N,N-Dimethylethylenediamine is widely used as a building block in the synthesis of various chemical compounds. It serves as a key intermediate in the production of pharmaceuticals, particularly in the creation of active pharmaceutical ingredients (APIs) that require amine functionalities. Additionally, it is utilized in the manufacture of agrochemicals, where it acts as a precursor for herbicides, fungicides, and insecticides.

In the polymer industry, it is employed as a curing agent for epoxy resins, enhancing their mechanical properties and durability. It also finds application in the synthesis of surfactants and corrosion inhibitors, which are essential in industrial cleaning and metal protection processes. Furthermore, it is used in research and development for creating specialized ligands in coordination chemistry and catalysts for organic reactions. Its versatility makes it a valuable component in various industrial and chemical processes.