Used primarily as a chelating agent in the synthesis of metal complexes, particularly in the preparation of materials for electronic and optical applications. It serves as a key component in the development of organic semiconductors and conductive polymers due to its ability to form stable bonds with metals, enhancing the performance of these materials. Additionally, it is employed in the production of certain types of dyes and pigments, where its unique structure contributes to color stability and intensity. In analytical chemistry, it is utilized as a reagent for the detection and quantification of specific metal ions, leveraging its strong affinity for metals to improve accuracy and sensitivity in measurements.