Stearyl dimethyl benzyl ammonium chloride CAS No. 122-19-0, also called Benzyl dimethyl stearyl ammonium chloride, Octadecyl dimethyl benzyl ammonium chloride. Assay 80%min, White to almost white paste or solid, Soluble in water, acid resistant, hard water resistant, inorganic salt resistant, but alkali intolerant.