Used as a disinfectant for sterilizing surfaces in food processing and dairy industries. Effective in killing bacteria, viruses, and fungi. Commonly applied in the sanitation of equipment and containers. Also utilized in water treatment to control microbial growth. In laboratory settings, serves as a source of iodine in analytical procedures and titrations. Stable and reliable oxidizing agent in various chemical tests. Preferred over iodine in some applications due to better solubility and controlled release of iodine.