Zinc acetate is a salt with the formula Zn(CH3COO)2. It is a colorless, hygroscopic solid that is useful as a precursor to other zinc compounds. It is produced by the reaction of acetic acid with zinc oxide or zinc carbonate. It is mainly used as a dietary supplement and as a treatment for zinc deficiency. It is also used in some drugs and as a preservative. Zinc acetate has antifungal and antibacterial properties, which makes it useful in industrial applications. It can also be used as a mordant in dyeing.