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SZSE:002741
Chemical Reagents
Magnesium oxide (light)COA Report
  • CAS No.:1309-48-4
  • Molecular weight:40.31
  • Aliases:Magnesia usta
  • Molecular formula:MgO
  • EC No.:215-171-9
  • HS-No:25199010
Information
Specification category:
Product No. Product name specifications
1.03105.010 Magnesium oxide (light) AR500g
1.03105.050 Magnesium oxide (light) AR10kg
Characteristic: Appearance and properties: White powder.
Relative density: 3.58(water=1)(20℃)
Melting point(℃): 2800
Boiling point(℃):3600
Concentration: Pure
Solubility: Slightly soluble in water.
Technical indicators:
Item AR CP
Apparent specific volume,mL/g 8.0 8.0
Assay(dry sample)(MgO) ≥98.5% ≥98.0%
Clarity test Pass4 Pass6
Insoluble matter in hydrochloric acid ≤0.05% ≤0.1%
Loss on ignition ≤4.5% ≤5.0%
Chloride(Cl) ≤0.02% ≤0.03%
Sulfur compound(as SO4) ≤0.05% ≤0.10%
Iron(Fe) ≤0.005% ≤0.01%
Heavy metals(as Pb) ≤0.003% ≤0.01%
Barium(Ba) ≤0.003% ≤0.005%
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