Di(2-pyridyl)ketone is widely used as a chelating agent in coordination chemistry due to its ability to form stable complexes with transition metal ions, such as copper, iron, and ruthenium. Its nitrogen-containing heterocyclic groups enable strong binding to metals, making it valuable in the design of metal sensors and luminescent materials with optical and magnetic properties. It is also employed in the development of catalysts for organic transformations, where it supports metal centers in oxidation and coupling reactions. Additionally, this compound serves as a building block in supramolecular chemistry, aiding in the construction of metal-organic frameworks (MOFs) and molecular devices with specific electronic or optical properties. Its structural rigidity and donor capacity make it suitable for studying electron transfer processes and designing functional materials for optoelectronic applications. Furthermore, studies in biochemistry have explored its potential in forming complexes with antibacterial activity and other biological properties.