QA Benzalkonium Chloride is also known as BZK, BKC, BAK, alkyl dimethyl benzyl ammonium chloride and ADBAC. Our FeF Benzalkonium Chloride products have proven efficacy against a broad spectrum of microorganisms (gram + and – & acid fast bacteria, yeast, moulds, enveloped viruses). They are effective through a wide pH range, are surface active/adhesive cationic agents and do not add unpleasant odour/colour to finished formulations. Benzyl (dodecyl) dimethyl ammonium chloride (approx. 65%), Benzyl (tetradecyl) dimethyl ammonium chloride (approx. 35%). Approx. 50% active ingredients