2-Pyridinol-1-oxide is widely used in the field of organic synthesis as an intermediate for the production of various pharmaceuticals and agrochemicals. It plays a crucial role in the synthesis of compounds with antimicrobial and antifungal properties, making it valuable in the development of drugs targeting infectious diseases. Additionally, it is utilized in the preparation of corrosion inhibitors, which are essential in protecting metal surfaces in industrial applications. Its chelating properties also make it useful in the formulation of metal deactivators, particularly in the petroleum industry, where it helps prevent the degradation of fuels and lubricants caused by metal ions. Furthermore, it is employed in research as a reagent for studying oxidation processes and developing new chemical reactions.