Widely used as a biocide in industrial water treatment systems, this compound effectively controls the growth of bacteria, algae, and fungi. It is particularly effective in cooling towers, paper mills, and oilfield systems where microbial contamination can lead to fouling, corrosion, and reduced efficiency. Its surfactant properties enhance penetration into biofilms, improving microbial control. Also employed as a disinfectant in household and institutional cleaning products due to its broad-spectrum antimicrobial activity. Compatible with various formulations, it is found in sanitizers and hard surface cleaners. Its quaternary ammonium structure provides stability and persistent activity, making it suitable for both continuous and shock treatment applications.