N,N'-Bis(salicylidene)ethylenediamine is widely used as a chelating agent in various industrial and research applications. It forms stable complexes with metal ions, making it valuable in catalysis, particularly in oxidation reactions where it enhances efficiency and selectivity. In analytical chemistry, it serves as a reagent for the detection and quantification of metal ions due to its ability to bind selectively to specific metals. Additionally, it is employed in corrosion inhibition, where it protects metal surfaces by forming a protective layer. Its role in polymer stabilization is also notable, as it helps prevent degradation caused by heat or light. In biological studies, it is used to study metal ion interactions in enzymes and proteins, providing insights into biochemical processes.