Chemical Product Library / Reference

Zinc sulfate heptahydrate

Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.

Molecular structure for Zinc sulfate heptahydrate

Chemical identity

English nameZinc sulfate heptahydrate
English synonymsZinc sulfate heptahydrate;White vitriol;Zinc vitriol
Chinese name七水硫酸锌
Chinese synonyms硫酸锌(七水);皓矾;锌矾
Chemical categoryInorganic Salts
CAS No.7446-20-0
EINECS No.231-793-3
Molecular formulaZnSO4·7H2O
Molecular weight287.56
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.

Technical indicators

Zn content ≥22.0%; water-insoluble matter ≤0.05%; chloride ≤0.01%; iron ≤0.002%; pH (5% aqueous solution) 4.0–6.0

Performance characteristics

Colorless to white crystalline powder, soluble in water, effloresces in dry air

Application scenarios

Agricultural zinc fertilizer, feed additive, zinc electroplating, mordant, pharmaceutical