... NO.: 238-687-6 Molecular Weight: 199.5 Zinc Ammonium Chloridezinc ammonium chloride 75%, 55%, 45%M.F.: NH4CL.ZnCl2 CAS NO ... : 1.8Three types:I zinc ammonium chloride 75%, zinc 75%, ammonium 25%II zinc ammonium chloride 55%, zinc 55%, ammonium 45%III ...