Zinc acetate has the chemical formula Zn(O2CCH3)2. Typically, this salt occurs as a dihydrate, with the chemical formula Zn(O2CCH3)2(H2O)2. The anhydrous and hydrate forms are both colorless solids, which are often used as dietary aids and in chemical synthesis. This salt is produced when acetic acid reacts with zinc metal, or zinc carbonate. Sometimes, it is used as an additive in food, and E650 is its' E number.
This salt has been used to treat the common cold in lozenges. Also, it has been be used to treat zinc deficiencies, and to hinder copper absorption in the body as an orally consumed daily supplement. This makes it an effective way of treating Wilson's disease. Furthermore, it is frequently sold in topical lotion or ointment form, as an astringent. It is sometimes mixed with antibiotics, like erythromycin, to treat acne. Often, it is used as an anti itch lotion, and as a plaque inhibitor and breath freshener in chewing gum.