Diaminomaleonitrile is widely used in the synthesis of heterocyclic compounds, particularly in the production of pharmaceuticals and agrochemicals. It serves as a key intermediate in the creation of various nitrogen-containing heterocycles, which are essential in drug development. Additionally, it is employed in the manufacture of dyes and pigments due to its ability to form stable and vibrant colorants. In material science, it is utilized in the preparation of polymers and resins, contributing to the development of advanced materials with specific mechanical and thermal properties. Its role in organic synthesis also extends to the production of ligands for metal coordination complexes, which are important in catalysis and industrial chemical processes.