Widely used in laundry detergents and cleaning products due to its strong ability to remove dirt and oil from fabrics and surfaces. Effective in hard water, making it a preferred choice for household and industrial detergents. Also used in personal care products like shampoos and toothpastes as a foaming agent. Commonly employed in emulsion polymerization as a stabilizer. Frequently used in laboratory settings as a reference standard for testing surfactant performance and in analytical methods such as chromatography and titration. Its consistent quality makes it suitable for calibration and quality control in manufacturing processes.