Used as a catalyst in oxidation reactions, particularly in the synthesis of fine chemicals and pharmaceuticals. Exhibits high efficiency in aerobic oxidation of alcohols to aldehydes or ketones under mild conditions. Also applied in polymer chemistry as a mediator in controlled radical polymerization techniques, enabling precise molecular weight control and narrow polydispersity. Its stability and reactivity make it suitable for use in homogeneous catalytic systems where copper-based redox activity is required.