Anhydrous zinc sulfate is widely used in agriculture as a fertilizer to correct zinc deficiencies in soil, promoting healthy plant growth and improving crop yields. It is also employed in the production of rayon, where it serves as a coagulating agent in the spinning process. In the pharmaceutical industry, it is utilized as an astringent and antiseptic in various medicinal formulations. Additionally, it finds application in water treatment processes to remove impurities and control algae growth. In the chemical industry, it acts as a catalyst in organic synthesis reactions and is used in the manufacture of other zinc compounds. Its preservative properties make it suitable for use in wood treatments and as a component in adhesives.