SIBA is widely used as a corrosion inhibitor in industrial water treatment systems. It protects metal surfaces, especially copper and its alloys, from oxidation and degradation caused by exposure to water and oxygen. It forms a thin, protective film on metal surfaces, which prevents the electrochemical reactions that lead to corrosion. This makes it valuable in cooling systems, heating systems, and heat exchangers where maintaining metal integrity is critical for efficiency and longevity. Additionally, SIBA is effective at low concentrations, making it cost-efficient and environmentally favorable compared to other inhibitors. It is often included in formulations for antifreeze solutions and metalworking fluids to enhance performance and extend equipment life.