Benzalkonium Chloride Powder 99%,BKC Powder 99%,BZK Powder 99% CAS No.: 8001-54-5,68424-85-1,63449-41-2,139-07-1,68391-01-5,55963-06-9 Benzalkonium Chloride (BKC) is a kind of Quaternary ammonium salts, Cationic surfactant and nonoxidizing …