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Zinc sulfate is an inorganic compound with the chemical formula ZnSO4. It is available as colorless or white crystals, granules, or powder.
Zinc sulfate is primarily used as a raw material for producing pigments like lithopone, zinc white, and other zinc compounds. It is also used as a nutritional supplement for animals deficient in zinc, as an additive in livestock feed, as zinc fertilizer for crops (a trace element fertilizer), as a key material in the production of man-made fibers, as an electrolyte in the electrolytic production of metallic zinc, as a mordant, astringent, and preservative for wood and leather in the textile industry.
Zinc sulfate heptahydrate, also known as Chinese blue or zinc vitriol, is an inorganic compound with the chemical formula ZnSO4·7H2O. It is a colorless, rhombic crystal system prism, white crystalline powder, soluble in water, slightly soluble in ethanol. It loses water when heated to 200°C and decomposes at 770°C.
Zinc sulfate heptahydrate is harmful if swallowed, severely injurious to the eyes, toxic to aquatic life, and may cause long-term adverse effects on water bodies. It is a key raw material for the production of zinc white and zinc salts, and can also be used as a mordant in dyeing, preservative for wood and leather, an emetic, and for preventing diseases in fruit tree nurseries and manufacturing cables. It is also an important auxiliary material in the production of粘胶纤维. Additionally, it has applications in electroplating and electrolytic industries.
