Bis(4-cyanophenyl) ether is widely used in the field of organic electronics due to its excellent electron-withdrawing properties. It serves as a key building block in the synthesis of high-performance polymers and small molecules for organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs). Its ability to enhance charge transport and improve device efficiency makes it valuable in the development of advanced materials for energy conversion and display technologies. Additionally, it is utilized in the production of liquid crystals, where its rigid structure and polarizability contribute to the stabilization of mesophases, making it suitable for applications in displays and optical devices. The compound is also explored in the field of coordination chemistry as a ligand, where it can form complexes with metal ions for catalytic or sensing applications.