Zinc sulfate heptahydrate

Zinc sulfate heptahydrate (CAS 7446-20-0), commonly referred to as white vitriol, is an inorganic zinc salt used across agriculture, industrial processing, and nutrition applications.

Where is Zinc sulfate heptahydrate used?

• Agriculture: soluble, bioavailable zinc source in fertilizers; corrects zinc deficiency in crops via foliar spray or soil amendment, improving yield quality in zinc-sensitive cereals and legumes
• Animal feed: zinc source in premixes and mineral supplements for livestock nutritional requirements
• Water treatment: coagulation aid and algaecide controlling biological growth in reservoirs
• Textile and leather: mordant and preservative in dyeing and tanning operations
• It is also used in liquid formulation and other specialized chemical processes.

Good to know: Feed and pharmaceutical grades require documented purity and heavy metal limits. Granulated forms are preferred for fertilizer blending.

Commercial specifications

• Bulk supply in bags or big bags