Zinc Chloride zinc chloride battery grade zinc chloride industrial grade Molecular Formula: ZnCl2 Molecular Weight: 136.28 CAS Number: 7646-85-7 Appearance: White powder or white granule Specification: Content (Calculated in ZnCl2): 98% min or 96% min Zn content: 48.6% min Chloride oxidation (Calculated in ZnO): 1.8-2.0% Sulphate(SO4): 0.01% max Barium(Ba): 0.1% max Ferrum(Fe): 0.0005% max Plumbum(Pb): 0.0005% max Zinc plate cauterization experiment: qualified