Molecular formula: ZnSO4  7H20

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.

It has the formula ZnSO4 as well as any of three hydrates. It was historically known as "white vitriol". All of the various forms are colourless solids. The heptahydrate form is commonly encountered.

Technical grade

USES OF ZINC SULPHATE:

• Source of zinc for agricultural applications.

• For making lithopone.

• Used in electrolytes for zinc plating.

• Used as a mordant in dyeing.

• Used as a preservative for skins and leather.

• Active ingredient in products for use as moss remover for paths and roofs (not for lawns).

Specification

Minimum Assay: 102.46% Molecular Formula: ZnSO4•7H2O  Molecular Weight: 287.46 g/mol ZnSO4: <57.53% Zinc (Zn): <23.3% Copper (Cu): <1ppm Nitrogen (Ni): <2ppm Iron (Fe): <2ppm Magnesium (Mn): <2ppm Arsenic (As): <0.1ppm Cadmium (Cd): <2ppm Lead (Pb): <4ppm Chloride (Cl): <15ppm Mercury (Hg): < 0.1ppm Selenium (Se): < 0.1ppm pH (5%): 3.9 – 4.4