Packings
04479
Article No. 04479
Purity 99.5%
Molecular Formula MgSO4.7H2O
H.S. Code 2833.2100
Grade AR/ACS
CAS No. 10034-99-8
Molecular Weight 246.47
Shelf Life 60 Months

Physical Properties

Specifications

Safety Information and Hazard Symbols

Symbol:


Physical Properties

Physical state at 20 °C Solid Colour Colorless crystals
Odour Odorless pH value 5 - 8 at 50 g/l
Decomposition point [°C] >150°C Vapour pressure [20°C] < 0.133 hPa at 20 °C
Density [g/cm3] 1.678 Solubility in water [% weight] 246.48 g/l at 20 °C - completely soluble

Specifications

Appearance Colorless crystals or a white, crystalline powder Assay 99.5 - 102%
Insoluble matter in water Max 0.005% pH (5% solution in water) 5 - 7
Nitrate (NO3) Max 0.002% Ammonium (NH4) Max 0.002%
Chloride (Cl) Max 0.0005% Calcium (Ca) Max 0.02%
Heavy metals (by ICP-OES) Max 0.0005% Iron (Fe) Max 0.0005%
Potassium (K) Max 0.005% Manganese (Mn) Max 0.0005%
Sodium (Na) Max 0.005% Strontium (Sr) Max 0.005%