Product Introduction

Zinc Sulfate Heptahydrate is widely used as a zinc source in animal feed, fertilizers, and industrial applications. It features high solubility, stable quality, and reliable composition, available in feed grade and industrial grade for bulk supply.

Chemical & Physical Properties

Chemical Name: Zinc Sulfate Heptahydrate
CAS Number: 7446-20-0
Appearance: Colorless to white crystalline granules or powder
Odor: Odorless
Solubility: Freely soluble in water
pH (1% solution): 4.5–5.5
Shelf Life: 24 months under recommended storage conditions

Typical Specifications

• Assay (ZnSO₄·7H₂O): ≥ 98%

• Zinc Content: 22–23%

• Moisture: ≤ 5%

• Lead (Pb): ≤ 5 ppm

• Arsenic (As): ≤ 3 ppm

• Cadmium (Cd): ≤ 1 ppm

• Mercury (Hg): ≤ 0.1 ppm

• Appearance: Colorless to white crystalline granules or powder

• Odor: Odorless

Applications

• Animal Feed: Zinc supplement for livestock and poultry

• Fertilizers: Crop micronutrient

• Industrial Use: Chemical processing

Features & Benefits

• Reliable zinc source with stable quality

• Feed grade and industrial grade available

• Highly soluble and easy to handle

• Bulk supply suitable for international markets

Packaging & Storage

Packaging: 25 kg bags, jumbo bags, or customized packaging
Storage: Store in a cool, dry place. Keep sealed and protected from moisture

Regulatory Status

• Suitable for feed, fertilizer, and industrial applications

• Complies with relevant international safety and quality standards

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