AVA Chemicals [P] Ltd. Offers Extra Pure Grade Zinc Acetate. AVA Chemicals [P] Ltd. Is an ISO 9001:2000 certified company. The chemical formula of the Extra Pure Grade Zinc Acetate is CH3COO]2 Zn 2H2O. Having White Crystals like Appearance, the chemical molecular weight of Extra Pure Grade Zinc Acetate is 219.50. The assay of this chemical is minimum 98%. The content of impurities in this chemical is within limits.