1,4-Dicyanobenzene is widely used in the production of high-performance polymers and resins, particularly in the synthesis of polyimides and polyamides. These materials are valued for their thermal stability, mechanical strength, and chemical resistance, making them suitable for applications in the electronics industry, such as in the manufacture of flexible printed circuits and insulating films. Additionally, it serves as an intermediate in the synthesis of organic semiconductors and dyes, which are essential components in organic light-emitting diodes (OLEDs) and photovoltaic devices. Its role in the development of advanced materials underscores its importance in modern technology and industrial applications.