Used as a key building block in the synthesis of high-performance polymers, particularly in the development of advanced polyimides and liquid crystalline polymers. Its rigid terphenyl backbone and functional amine and carboxylic acid groups enable strong molecular alignment and thermal stability, making it suitable for applications in aerospace, electronics, and high-temperature resistant materials. Also employed in research for metal-organic frameworks (MOFs) due to its ability to act as a multitopic linker, facilitating the construction of porous structures for gas storage or catalysis. Its structural symmetry and reactivity support use in specialty coatings and optical materials.