CAS
10034-99-8
Magnesium sulfate heptahydrate; Magnesium sulphate heptahydrate; Epsom salt; English salt; Magnesium(II) Sulphate Heptahydrate; Magnesia sulphurica
Magnesium sulphate heptahydrate is a white, crystalline salt widely used as a soluble and bioavailable source of magnesium and sulphate ions. Its high solubility and well-defined composition make it essential across agriculture, pharmaceuticals, chemical manufacturing, and water treatment. In agriculture, it serves as a fast-acting magnesium supplement for correcting chlorosis and improving plant growth. Its consistent purity also makes it suitable for feed, pharma, and personal-care applications.
Industrial applications include textile processing, dyeing auxiliaries, flotation in mining, and as a stabilizing or desiccating agent in specific formulations. It also functions as a coagulant aid and as a reagent in analytical and laboratory processes.
Product grade and impurity limits should be chosen according to the end-use, especially for agricultural sprays, nutritional supplements, and analytical applications.
10034-99-8
MgSO₄·7H₂O
246.47 g/mol
Magnesium supplement for soils, foliar sprays, and fertigation.
Active and excipient in select medicinal and nutraceutical formulations.
Magnesium source in feed premixes.
Reagent and processing salt in various syntheses.
Used in dye baths and as a conditioning salt.
Coagulant aid and hardness adjustment were required.
LR/AR
2833 21 00
Odourless
White, crystalline solid; free-flowing granules or fine crystals
Freely soluble in water; insoluble in ethanol. Solubility increases with temperature
Starts losing crystallization water at 48–55 °C; dehydrates progressively up to ~200 °C.
Store below 30°C; hygroscopic and may clump on prolonged exposure to humidity.
Pricing depends on grade, purity and packaging. Contact sales for a tailored quote.
Available from Phine Kemikals India and authorised distributors with CoA.
Typically aligned with 25kg or 50kg packs. Bulk on request.
Each batch tested for assay, insolubles, Fe(III) content, heavy metals. CoA included.
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