5-Aminoisophthalic acid is widely used in the synthesis of coordination polymers and metal-organic frameworks (MOFs) due to its ability to form stable, rigid structures. These materials have applications in gas storage, separation processes, and catalysis. It is also employed in the production of high-performance polymers and resins, enhancing their thermal stability and mechanical properties. In the pharmaceutical industry, it serves as a key intermediate in the synthesis of various bioactive compounds and drug molecules. Additionally, its derivatives are utilized in the development of dyes and pigments, offering improved colorfastness and durability. The compound's versatility makes it valuable in advanced material science and chemical research.