Widely used in laundry detergents and cleaning products due to its strong ability to remove oil and dirt from fabrics and surfaces. Effective in hard water, making it ideal for household and industrial cleaning formulations. Commonly found in liquid soaps, dishwashing agents, and emulsion polymerization processes. Also used in laboratories as a reference standard for testing surfactant performance and purity in analytical methods. Its foaming and wetting properties enhance cleaning efficiency in various aqueous systems.