Decylphosphonic acid is widely used as a surface modifier and corrosion inhibitor in various industrial applications. It is particularly effective in forming self-assembled monolayers on metal surfaces, such as aluminum and steel, to enhance their resistance to oxidation and wear. In the field of electronics, it is employed to improve the adhesion and performance of coatings on semiconductors and other components. Additionally, it serves as a key ingredient in lubricant additives, reducing friction and extending the lifespan of mechanical systems. Its ability to bind with metal oxides also makes it valuable in water treatment processes, where it helps prevent scale formation and corrosion in pipelines and boilers.