1,4-Di-tert-butylbenzene is widely used as a stabilizer and antioxidant in the production of polymers and plastics. It helps in preventing the degradation of these materials caused by heat, light, and oxidation, thereby extending their lifespan and maintaining their properties. In the petroleum industry, it serves as an additive to fuel and lubricants to enhance their stability and performance under high-temperature conditions. Additionally, it is utilized in the synthesis of various organic compounds, acting as an intermediate in the production of specialty chemicals. Its role in research and development includes being a reference compound in chromatographic analysis and studies related to chemical reactions and mechanisms.