Used primarily in organic synthesis as a catalyst for various reactions, including the oxidation of alcohols to aldehydes or ketones. It is also employed in the preparation of other copper compounds and complexes. In analytical chemistry, it serves as a reagent for detecting specific ions or functional groups. Additionally, it finds application in materials science for the synthesis of copper-based materials or coatings. Its role in electrochemical studies is notable, particularly in research involving copper redox processes.