Benzalkonium Chloride, USP/NF Grade consists of dodecyl and tetradecyl components of benzyl dimethyl ammonium chloride. It appears as a colorless or slightly yellowish viscous liquid at room temperature. Based on its purity, our premium quality Benzalkonium Chloride is certified by the United States Pharmacopeia (USP) and the National Formulary (NF). The USP-NF have over 5000 Pharmacopeial Standards for chemical and biological substances, compounded preparations, medical devices, and dietary supplements. Benzalkonium chloride has three main categories of use: as a biocide, a cationic surfactant, and phase transfer agent in the chemical industry. It is widely used in cosmetics, wet wipes, hand and surface sanitizers. Benzalkonium chloride was found to be an effective method of contraception. Benzalkonium chloride, also known as alkyldimethylbenzylammonium chloride and by the trade name Zephiran, is a type of cationic surfactant. It is an organic salt classified as a quaternary ammonium compound.