This compound, N,N,N-Trimethyloctadecan-1-aminium iodide, is a cationic surfactant with strong antimicrobial properties, widely used as a disinfectant. It effectively kills bacteria, fungi, and viruses, serving as a key ingredient in cleaning products, detergents, sanitizers, and applications in hospitals, laboratories, and food processing facilities to maintain hygiene and prevent contamination. In the textile industry, it acts as a fabric softener, antistatic agent, and aids in dye absorption on fabrics, enhancing quality and feel. It is also employed in hair and skin care products to provide softness and shine. Furthermore, in water treatment, it removes organic pollutants and microorganisms, and in industrial processes, it functions as a demulsifier to separate oil and water.