Zinc sulphate heptahydrate powder is a colorless crystalline chemical. It is water soluble chemical compound. It can be produced by the chemical reaction of its hydrated form reacting with sulfuric acid. The main application of zinc sulphate heptahydrate is as a coagulant in the production of rayon. It is also a precursor to the pigment lithopone. Zinc sulfate is used to supply zinc in animal feeds, fertilizers, and agricultural sprays.

Zinc sulfate heptahydrate is a hydrate that is the heptahydrate form of zinc sulfate. It is a hydrate and a metal sulfate. Zinc sulfate is the inorganic compound with the formula znso4 and historically known as White vitriol. Fertilisers and agricultural sprays utilise this compound to supplement zinc in plants. The compound also prevents moss growth on roots.