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SZSE：002741
Chemical Reagents
Magnesium sulfate?heptahydrate COA Report
  • CAS No.：10034-99-8
  • Molecular weight：246.48
  • Aliases：Bitter salt,sulfuric acid magnesium salt heptahydrate
  • Molecular formula：MgSO4·7H2O
  • EC No.：231-298-2
  • HS-No：28332100
Information
Specification category：
Product No. Product name specifications
1.03107.010 Magnesium sulfate?heptahydrate AR500g
1.03107.020 Magnesium sulfate?heptahydrate CP500g
1.03107.040 Magnesium sulfate?heptahydrate AR25kg
1.03107.050 Magnesium sulfate?heptahydrate CP25kg
1.03107.060 Magnesium sulfate?heptahydrate AR25kg
1.03107.070 Magnesium sulfate?heptahydrate Spec25kg
Characteristic： Appearance and properties: White powder.
Relative density: 2.66(water=1)(20℃)
Melting point(℃): 1124(decomposition)
Solubility: Soluble in water,ethanol and glycerol.
Technical indicators：
Item AR CP
Assay(MgSO4?7H2O) ≥99.0% ≥99.0%
pH-value 5.0~8.0 5.0~8.0
Clarity of solution Pass4 Pass6
Insoluble matter in water ≤0.005% ≤0.01%
Chloride(Cl) ≤0.0005% ≤0.001%
Arsenic(As) ≤0.0001% ≤0.0002%
Sodium(Na) ≤0.005% ≤0.05%
Calcium(Ca) ≤0.02% ≤0.05%
Manganese(Mn) ≤0.001% ≤0.005%
Iron(Fe) ≤0.0005% ≤0.001%
Heavy metals(as Pb) ≤0.0005% ≤0.001%
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