Used as an oxidizing agent in organic synthesis, particularly in the conversion of hydroquinones and in dehydrogenation reactions. Commonly employed in the production of hydroquinone, which is a key component in photographic developers and antioxidants. Acts as a catalyst or reagent in the synthesis of dyes, perfumes, and certain pharmaceuticals. Also utilized in polymer chemistry as a inhibitor or modifier in radical polymerization processes. Found in some biocidal formulations and has been explored for its role in electrochemical applications due to its redox properties.