Magnesium sulphate

Magnesium sulphate heptahydrate can be used in the preperation of various personal care products. It can also be used for water treatment purposes.

MgSO4 · 7H2O


Chemical Formula

MgSO4 · 7H2O

EC Number


CAS Number


  • Home & Personal care
  • Metal derivatives
  • Personal care products
  • Water treatment
  • Intermediate


  • Assay: 99.0-100.5%
  • Loss on ignition: 48-52%
  • pH in 5% solution: 5.0-9.2
  • Heavy metals (as Pb): max. 8 ppm
  • Chloride (Cl⁻): max. 500 ppm
  • Iron (Fe): max. 15 ppm
  • Arsenic (As): max. 3 ppm
  • Sulfur (S): ≥ 12.9%
  • Water insoluble: ≤0.01%
  • Particle sizes: 0.2-3 mm

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