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 because of its stability in the presence of calcium and magnesium ions. Commonly found in household and industrial cleaners, including dishwashing liquids and heavy-duty degreasers. Used in personal care products such as shampoos and toothpastes for its foaming and emulsifying properties. Also applied in pesticide formulations to help active ingredients spread and adhere to plant surfaces. Frequently used in laboratory settings as a reference standard for analyzing surfactant content in commercial products.