Used as a corrosion inhibitor in water treatment systems, particularly in cooling towers and boilers, where it forms a protective layer on metal surfaces to prevent oxidation and scale buildup. Also employed in concrete admixtures to improve durability and resistance to chemical attack. In detergents and cleaning agents, it acts as a builder to soften water and enhance cleaning efficiency. Applied in the food industry as an anti-caking agent and in pharmaceuticals as a stabilizer. Commonly used in the production of silica gels and catalysts due to its ability to form porous structures.