Magnesium Sulfate Heptahydrate

【Chemical Name】
Magnesium Sulfate Heptahydrate (Epsom Salt)

【Chemical Synonyms】
Epsom Salt; Magnesium sulfate hydrate; MgSO₄·7H₂O; Sulfuric acid magnesium salt heptahydrate

【CAS No.】
10034-99-8

【Molecular Formula】
MgSO₄·7H₂O

【Molecular Weight】
246.47 g/mol

【Product properties】
Magnesium Sulfate Heptahydrate is a white crystalline solid, available in various particle sizes including 0.1-1mm, 1-3mm, and 2-4mm-. It is highly soluble in water with a melting point of 1124°C-. With purity options of ≥98% and ≥99.5%, this product delivers consistent quality for diverse industrial and agricultural applications-.

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

【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】
Magnesium Sulfate Heptahydrate is a versatile product with broad industrial utility:

• Agriculture – Used as a magnesium fertilizer in crop production to correct magnesium deficiency in soil.

• Industrial – Employed in the manufacturing of textiles, paper, ceramics, and as a raw material for other magnesium compounds.

• Feed additive – Used as a magnesium supplement in animal feed.

• Pharmaceutical & personal care – Used in bath salts, laxatives, and topical formulations.

【Product Specification】

• Appearance: White crystalline solid

• Assay (MgSO₄·7H₂O): ≥98.0% / ≥99.5%

• Particle size: 0.1-1mm, 1-3mm, 2-4mm-

• MgO content: ≥16.0%

• pH (5% solution): 5.0 – 8.0

• Heavy metals: ≤0.001%

• Chloride: ≤0.01%

Xinggao Chemical (XG Chem) is a  supplier of magnesium sulfate products. Our portfolio includes Magnesium Sulfate Heptahydrate, Magnesium Sulfate Monohydrate, Magnesium Sulfate Anhydrous, and Kieserite, available in various grades and particle sizes to meet diverse customer requirements worldwide. All our magnesium sulfate products are officially registered under the EU REACH regulation.