Magnesium sulphate heptahydrate Ph. Eur., USP, BP

Supplier: VWR Chemicals

6527.9025EA 383 EUR
6527.9025 6527.1000 6527.5000
Magnesium sulphate heptahydrate Ph. Eur., USP, BP
Magnesium sulphate heptahydrate

Appearance: White or almost white, crystalline powder or brilliant, colourless crystals.


Caution: Not for use as Active Pharmaceutical Ingredient (API)

Formula: MgSO₄·7H₂O
MW: 246,48 g/mol
Melting Pt: 1124 °C
Density: 2,66 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00149785
CAS Number: 10034-99-8
EINECS: 231-298-2

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Specification Test Results

Appearance Conforms (see CoA/CoS)
Heavy metals (as Pb) ≤ 10 ppm
Residual solvents Passes test
As (Arsenic) ≤ 2 ppm
Cd (Cadmium) ≤ 0.1 ppm
Co (Cobalt) ≤ 1 ppm
Hg (Mercury) ≤ 2 ppm
Ni (Nickel) ≤ 6 ppm
Pb (Lead) ≤ 2 ppm
V (Vanadium) ≤ 10 ppm
Conforms to Ph.Eur./USP/BP Passes test
Ph.Eur./BP specifications: .
Assay (dried substance) [Ph.Eur./BP] 99.0 - 100.5 %
Identification A Passes test Ph.Eur./BP
Identification B Passes test Ph.Eur./BP
Appearance of solution Passes test Ph.Eur./BP
Acidity or alkalinity Passes test Ph.Eur./BP
Cl (Chloride) [Ph.Eur./BP] ≤ 300 ppm
Fe (Iron) [Ph.Eur./BP] ≤ 20 ppm
Loss on drying (400°C) [Ph.Eur./BP] 48.0 - 52.0 %
USP specifications: .
Assay (by ignition) [USP] 99.0 - 100.5 %
Identification A Passes test USP
Limit of chloride [USP] ≤ 0.014 %
Limit of iron [USP] ≤ 20 µg/g
Se (Selenium) [USP] ≤ 30 µg/g
pH (25°C; 50 mg/ml) [USP] 5.0 - 9.2
Loss on ignition (450 ± 25°C) [USP] 40.0 - 52.0 %

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