Zinc acetate zinc acetate dihydrate Appearance: White crystal Zinc acetate dihydateAppearance: White crystalZinc Acetate,Anhydrous, Technical,Pure GradeCAS 577-34-6C4H6O4Zn F.W. 183.46Assay (C4H6O4Zn) 99.0-101.0% PH of a 5% Solution 25C6.0-7.0 MAXIMUM LIMITS Arsenic (As)3 ppm Lead (Pb) 0.005% Chloride (Cl)0.010% Sulfate (SO4)0.010% Iron (Fe) 0.0005% Zinc acetate