3,5-diaminobenzonitrile is primarily used as a key intermediate in the synthesis of various organic compounds, particularly in the production of dyes and pigments. Its structure allows it to act as a building block for creating complex molecules with specific color properties, making it valuable in the textile and printing industries. Additionally, it finds application in the development of pharmaceuticals, where it serves as a precursor in the synthesis of active pharmaceutical ingredients (APIs) with potential therapeutic effects. Its utility extends to materials science, where it is employed in the preparation of advanced polymers and resins that exhibit enhanced mechanical and thermal properties. The compound’s versatility also makes it a candidate for research in organic electronics, particularly in the design of conductive or semiconductive materials for use in electronic devices.