... 3.ISO9001:2000 4.market:domestic 30%, export 70% Zinc ammonium chlorideMolecular Formula: NH4CL·ZnCl2Molecular weight: 199.5Appearance: white powderSpecific gravity ... zinc ammonium chloride 75%, zinc 75%, ammonium 25%II zinc ammonium chloride 55%, zinc 55%, ammonium 45%III zinc ammonium chloride 45%, zinc 45%, ammonium 55 ... , we prefer to finalize this rate before shipment. zinc ammonium chloride