benzalkonium chloride Alkyl dimethylbenzyl ammonium chloride, quaternium, geramine, BKC Purity from 45% up to 95%, C12-18 Benzalkonium ChlorideCas: 68391-01-5,8001-54-5, 139-07-1Other names:Alkyl dimethylbenzyl ammonium chloride, quaternium, geramin, BKC,Purity from 45% up to 95%,C12-18Disinfectant, fungicide, widely used in medicine and water treatment. Disinfectant benzalkonium chloride