Zinc Chloride 98% Battery Grade & Industrial Grade CAS No.: 7646-85-7 Chemical formula: ZnCl2 Proferty: white powder or granular in solid state. Colourless and transparent water-solution in liquid state. relative density 2.91(20'C/4'C) melting point 283'C. Packing: in plastic woven bag, paper drum, iron drum and galvanized iron drum. Usage: Mainly used in dry battery, electroplanting active, carbon, washing coal, welding flux, paper-making, metal finishing chemicals, dehydratiing agent, condensing agent wood preservation and etc.