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 suitable for household and industrial cleaning formulations. Commonly found in liquid soaps, dishwashing liquids, and industrial degreasers. Also used in emulsion polymerization as a stabilizer and dispersing agent. Frequently employed in laboratories as a reference standard for testing surfactant concentration in environmental and product samples. Its foaming properties enhance cleaning performance in various aqueous systems.