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Specialty Fertilizer Ingredients
MgS-H
Magnesium Sulphate Heptahydrate
MgO 16% / S 13%
Water-soluble magnesium and sulphur source for fertigation, foliar feeding and NPK formulation.
Product Overview
Magnesium Sulphate Heptahydrate | Water-Soluble Mg & S Fertilizer
Key Information
Product Code
SU-005
Chemical Formula
MgSO4·7H2O
CAS Number
10034-99-8
HS Code
2833 21 00
EC Number
231-298-2
Molecular Weight
246.47
Appearance
White crystalline powder / crystals
Solubility (20℃)
Highly soluble in water
pH (1% Solution)
5.5 - 7.5
Typical Specifications
Key Information
Specification
Typical Value
MgO
16%
16%
Mg
9.6%
9.6%
S
13%
13%
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
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