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Specialty Fertilizer Ingredients

ZnS-H

Zinc Sulphate Heptahydrate

Zn 21%

Water-soluble zinc and sulphur source for fertilizer formulation and zinc deficiency correction.

Product Overview

Zinc Sulphate Heptahydrate is a widely used zinc fertilizer ingredient providing zinc and sulphur in a water-soluble crystalline form. It is used in foliar fertilizers, soil applications and water-soluble fertilizer formulations.

It is suitable for agricultural distributors, fertilizer manufacturers and customers requiring a conventional zinc sulphate product for crop nutrition.

Key Information
Product Code
SU-002
Chemical Formula
ZnSO4·7H2O
CAS Number
7446-20-0
HS Code
2833 29 30
EC Number
231-793-3
Molecular Weight
287.54
Appearance
White crystalline powder / crystals
Solubility (20℃)
Soluble in water
pH (1% Solution)
4.0 - 6.0

Typical Specifications

Key Information
Specification
Typical Value
Zn
21%
21%
S
11%
11%
Solubility
Water-soluble
Water-soluble
Appearance
White crystals
White crystals

Specification Note

The specifications shown above are provided as general reference values for product identification and technical evaluation. Due to differences in production processes, raw material sources, formulation systems, application methods and end-use requirements, certain detailed parameters may vary slightly by batch or by specific application scenario. For complete technical information, please download the corresponding TDS and COA documents below.

For special applications, customized specifications, regulatory requirements or market-specific documentation, please contact our sales team for further confirmation and technical support.

Applications

Fertigation
Suitable for drip irrigation, sprinkler systems and precision nutrient delivery through irrigation water.
Foliar Spray
Rapid nutrient absorption through leaves to support crop growth, flowering, fruit set and quality improvement.
Hydroponics
Highly soluble nutrient source suitable for hydroponic and soilless cultivation systems.
Micronutrient Correction
Designed to prevent and correct micronutrient deficiencies in agricultural crops.

Documentation & Resources

TDS

Technical Data Sheet

SDS

Safety Data Sheet

Verified Customer Access

COA

Certificate of Analysis

Verified Customer Access

Brochure

Brochure

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