Magnesium Sulfate Heptahydrate

Magnesium Sulfate Heptahydrate
CAS No. 10034- 99 - 8 Grade : AR
Mol. Wt. 246.47 g/mol Mol Formula : MgSO4.7H2O
Appearance Colorless Prismatic Crystals
Identity Mg - Passes Test
SO4 - Passes Test
Test Solution(10 %W/V),Water Clear and Colorless Solution
PARAMETERS ACS
Assay 98 - 102%
pH(5% Aqueous Solution) at 250C 5 -8
MAXIMUN LIMITS OF IMPURITIES
Insoluble matter 0.005%
Chloride (Cl) 0.0005%
Phosphate (PO4) 0.001%
Calcium (Ca) 0.01%
Copper (Cu) 0.0005
Manganese (Mn) 0.0005%
Potassium (K) 0.005%
Sodium (Na) 0.005%
Heavy Metals (as Pb) 0.0005%
Iron (Fe) 0.002%