Zinc sulfate is a colorless or white crystalline powder with strong hygroscopic properties. It is readily soluble in water but insoluble in ethanol and ether. In agriculture, zinc sulfate is commonly used as a micronutrient fertilizer to promote crop growth and development; in medicine, it is used as a zinc supplement and a drug for treating skin diseases; in food, it is used as a nutritional supplement and preservative; and in metallurgy, it is used as an additive in galvanizing and other metal surface treatments.