Benzalkonium Chloride 50% / 80% (Liquid) is a colorless to pale yellow, aqueous solution of a quaternary ammonium compound widely used for its strong antimicrobial properties. It functions as a disinfectant, sanitizer, and preservative in a range of applications including surface cleaners, hand sanitizers, pharmaceutical products, and personal care formulations. Effective against bacteria, fungi, and some viruses, it is commonly used in both industrial and healthcare settings. Benzalkonium Chloride is non-corrosive, has low toxicity at recommended concentrations, and remains stable under normal storage conditions. The 50% and 80% concentrations offer flexibility for use in various formulations depending on application needs.