


Specialty Fertilizer Ingredients
MgS-M
Magnesium Sulphate Monohydrate
MgO 29% / S 23%
Water-soluble magnesium and sulphur source for fertilizer formulation, crop nutrition and NPK production.
Product Overview
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.
Key Information
Product Code
SU-008
Chemical Formula
MgSO4·H2O
CAS Number
14168-73-1
HS Code
2833 21 00
EC Number
231-298-2
Molecular Weight
138.38
Appearance
White crystalline powder
Solubility (20℃)
Highly soluble in water
pH (1% Solution)
5.5 - 7.5
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.
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.

Soil Application
Applied directly to soil to improve nutrient availability and support healthy crop development.
Documentation & Resources
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