Used as a dietary supplement in animal feed to prevent zinc deficiency and support growth, immune function, and skin health. Commonly applied in agriculture as a micronutrient fertilizer to correct zinc deficiency in crops, improving plant growth and yield. Employed in the production of rayon as a coagulant in the spinning process. Utilized in medicine as an astringent and in oral rehydration therapy to treat zinc deficiency and support recovery from diarrhea. Also serves as a preservative for skins and hides in the leather industry.