Zinc sulfate hydrate (ZnSO4•xH2O)-Powder

Zinc sulfate is an inorganic compound and dietary supplement. As a supplement it is used to treat zinc deficiency and to prevent the condition in those at high risk.Side effects of excess supplementation may include abdominal pain, vomiting, headache, and tiredness.

Chemical formula:ZnSO₄

Molar mass: 161.47 g/mol (anhydrous);179.47 g/mol (monohydrate);287.53 g/mol (heptahydrate)

Appearance: white powder

Odor: odorless

Density: 3.54 g/cm³ (anhydrous);2.072 g/cm³ (hexahydrate)

Melting point: 680 °C (1,256 °F; 953 K) decomposes (anhydrous);100 °C (heptahydrate);70 °C, decomposes (hexahydrate)

Boiling point: 740 °C (1,360 °F; 1,010 K) (anhydrous);280 °C, decomposes (heptahydrate)

Solubility in water:57.7 g/100 mL, anhydrous (20 °C) (In aqueous solutions with a pH < 5)

Application

Zinc sulfate monohydrate is used in calico-printing, preserving wood and skins, electrolytes for zinc plating, bleaching paper and clarifying glue. It is also used as a chemical reagent, coagulant in the preparation of rayon, mordant in dyeing and as a zinc source in animal feeds. In medicine, it is used as an astringent and emetic. Further, it is a precursor to the pigment lithopone. In addition to this, it is used to supply zinc in fertilizers, agricultural sprays, in electrolytes for zinc plating and as a mordant in dyeing.