E650 - Zinc acetate

Zinc acetate is a salt with the formula Zn-O2CCH3-2, which commonly occurs as the dihydrate Zn-O2CCH3-2-H2O-2. Both the hydrate and the anhydrous forms are colorless solids that are commonly used in chemical synthesis and as dietary supplements. Zinc acetates are prepared by the action of acetic acid on zinc carbonate or zinc metal. When used as a food additive, it has the E number E650. - Wikipedia