Product Name : Benzalkonium Chloride / BKC / BKC 50% / BKC 50 Physical form : Colorless to pale yellow Transparent Liquid CAS No. : 8001-54-5 Active Content : 50% ( ± 1 %) pH (10% Aq. Soln.) : 6 - 8 Free Amine + Free Amine Hydrochloride : NMT 3.0 % Solubility ; Easily soluble in water and alcohol Alkalinity / Acidity : NMT 0.1 ml