Magnesium Sulfate Monohydrate

【Chemical Name】
Kieserite (Magnesium Sulfate Monohydrate)

【Chemical Synonyms】
Kieserite; Magnesium sulfate monohydrate; MgSO₄·H₂O

【CAS No.】
14567-64-7-

【Molecular Formula】
MgSO₄·H₂O-

【Molecular Weight】
138.38 g/mol-

【Product properties】
Kieserite is a naturally occurring magnesium sulfate mineral, available in powder or granular form-. It is a grayish-white to off-white crystalline powder containing approximately 16% magnesium and is widely used as a magnesium fertilizer-. Total MgO, water-soluble MgO, and sulfur content can be customized according to customer requirements-.

【Storage】
Kieserite should be stored in tightly sealed containers, kept in a cool, dry, and well-ventilated warehouse, protected from moisture.

【Packing】
Available in 25 kg, 50 kg, and 1000 kg net packaging options, including plastic woven bags, kraft paper bags, and FIBC flexible intermediate bulk containers. Customized packaging is available upon request.

【Application】
Kieserite is primarily used as a magnesium fertilizer in agriculture-:

• Agriculture – As a cost-effective magnesium and sulfur fertilizer for various crops, particularly in soils deficient in magnesium.

• Feed additive – As a magnesium supplement in animal feed formulations.

【Product Specification】

• Appearance: Grayish-white to off-white powder or granules-

• Total MgO: ≥25% / ≥27%（customizable）-

• Water-soluble MgO: ≥19% / ≥21% / ≥23% / ≥25%（customizable）-

• Sulfur (SO₃): ≥38% / ≥50%（customizable）-

• Particle size: 2-4mm or as per customer requirements-

• Moisture: ≤1.0%