Benzalkonium chloride is a more manageable way to refer to the cationic surfactant alkyldimethylbenzylammonium chloride. It is also commonly used as a phase transfer agent and a biocide.
Benzalkonium chloride has a molecular weight of 311.938 g/mol and a heavy atom count of 21. It also has a hydrogen bond donor count of zero and a hydrogen bond acceptor count of one. The complexity of the compound is 216. Benzalkonium chloride also has both a monoisotopic and exact mass of 311.238 g/mol. It has a melting point of 93.2 °F (34 °C) and is soluble in 10 g/100 of water at 63 °F (17.22 °C). The compound has a density of .98.
Benzalkonium chloride can be found in many household and personal care products, like hand soaps and disinfectants. It is also often used as a preservative in eye drops.