Used as a versatile ligand in coordination chemistry, particularly in the development of transition metal complexes for catalysis and photophysical applications. Its structure allows for strong chelation with metals such as ruthenium, iron, and copper, making it valuable in the design of luminescent materials and sensors. Commonly employed in solar energy conversion systems, including dye-sensitized solar cells, due to its ability to enhance electron transfer and stabilize metal centers. Also explored in biological imaging and as a building block in supramolecular chemistry for constructing functional metallo-architectures.