---
title: Zinc Sulfate Heptahydrate
date: 2025-03-05T12:16:15Z
modified: 2026-09-14T12:48:42Z
permalink: "https://allanchem.com/zinc-sulfate-heptahydrate/"
type: page
status: publish
excerpt: ""
wpid: 4554
timestamp: 2026-09-14T12:48:42Z
tags: []
---

##### CAS Number

7446-20-0















##### Grade

ACS, USP















##### Packaging

Various







































Zinc Sulfate Heptahydrate is a crystalline solid that readily dissolves in water. It consists of zinc (Zn²⁺) cations, sulfate (SO₄²⁻) anions, and seven molecules of water (H₂O) bound to each zinc sulfate molecule.
**Chemical Formula:** ZnSO₄ • 7H₂O
**Appearance:** A colorless, water-soluble compound.
**Uses:**
**Pharmaceuticals:** It helps treat zinc deficiencies, support immune function, and maintain overall health and well-being.
**Dyes and Pigment Industry:** It helps develop high-quality pigments for paints, inks, coatings, and textile dyeing applications.
**Soil Amendment:** Zinc sulfate heptahydrate is used in agriculture as a soil amendment or fertilizer to correct zinc deficiencies in soils.
**Foliar Spray:** In agricultural practices, zinc sulfate heptahydrate can be applied as a foliar spray or nutrient solution to provide supplemental zinc to plants.
**Animal Nutrition:** It is used in animal feed supplements and mineral premixes to provide essential zinc, and support animal health.
**Water Treatment:** In water treatment and wastewater treatment processes, zinc sulfate heptahydrate can be used as a coagulant or flocculant to remove suspended solids.







































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