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Specialty Fertilizer Ingredients

FeS-H

Ferrous Sulphate Heptahydrate

Fe 19%

Water-soluble iron and sulphur source for fertilizer, soil amendment and iron deficiency management.

Product Overview

Ferrous Sulphate Heptahydrate is a conventional iron sulphate used in agricultural fertilizer production, soil amendment and iron nutrition programs. It provides iron and sulphur in a water-soluble crystalline form.

It is suitable for customers requiring an economical inorganic iron source for fertilizers, blends and crop nutrition applications.

Key Information
Product Code
SU-004
Chemical Formula
FeSO4·7H2O
CAS Number
7782-63-0
HS Code
2833 29 10
EC Number
231-753-5
Molecular Weight
278.01
Appearance
Light green crystalline powder / crystals
Solubility (20℃）
Soluble in water
pH (1% Solution)
3.0 - 4.5

Typical Specifications

Key Information
Specification
Typical Value

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.

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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

COA

Certificate of Analysis

Brochure

Brochure

Related Products

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MgS-M

Magnesium Sulphate Monohydrate is a water-soluble magnesium and sulphur source used in fertilizer production and crop nutrition programs. It offers higher nutrient concentration than heptahydrate magnesium sulphate while maintaining practical solubility and formulation compatibility. It is suitable for NPK water-soluble fertilizers, fertilizer blending, magnesium deficiency correction and specialty fertilizer systems requiring magnesium and sulphur nutrition.

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FeS-M

Ferrous Sulphate Monohydrate is a concentrated inorganic iron source used in agricultural fertilizer production, soil amendment and micronutrient programs. Compared with heptahydrate material, the monohydrate form offers higher active iron content and better handling stability for formulation and storage. It is suitable for fertilizer blending, trace element premixes, soil correction products and crop nutrition programs requiring an economical source of iron and sulphur.

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MnS-M

Manganese Sulphate Monohydrate is an inorganic manganese source used in fertilizer production and crop micronutrient programs. It provides manganese and sulphur for correcting manganese deficiency and supporting photosynthesis and enzyme activity. It is suitable for foliar products, soil application, soluble blends and customized trace element formulas.
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