Used primarily in the synthesis of high-performance polyimides and aramid fibers, this compound acts as a key intermediate in producing heat-resistant and chemically stable polymers. It is especially valuable in aerospace, electronics, and military applications where thermal stability and mechanical strength are critical. Its role as a curing agent and cross-linker enhances the durability of epoxy resins used in coatings and composites. Additionally, it finds use in the development of specialty dyes and pigments due to its aromatic amine structure.