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SZSE:002741
Chemical Reagents
Magnesium hydroxide COA Report
  • CAS No.:1309-42-8
  • Molecular weight:58.33
  • Aliases:Magnesium hydroxide 
  • Molecular formula:Mg(OH)2
  • EC No.:215-170-3
  • HS-No:28161000
Information
Specification category:
Product No. Product name specifications
1.03168.010 Magnesium hydroxide AR100g
Characteristic: Appearance and properties: White crystal or powder.
pH value: 9.5~10.5(H2O,aqueous suspension)
Relative density: 2.36(water=1)(20℃)
Melting point(℃): 350
Concentration: Pure
Solubility: Soluble in dilute sulfuric acid and ammonium salt solution.Almost insoluble in water(0.009g/L,18℃) and alcohol.
Technical indicators:
Item AR CP
Assay[Mg(OH)2] ≥98.0% ≥98.0%
Loss on ignition 30%~33% 30%~33%
Soluble matter in water ≤0.5% --
Insoluble matter in HCl ≤0.05% ≤0.1%
Chloride(Cl) ≤0.02% ≤0.05%
Nitrate(NO3) ≤0.02% ≤0.03%
Sulfate(SO4) ≤0.02% ≤0.2%
Iron(Fe) ≤0.002% ≤0.01%
Calcium(Ca) ≤0.002% ≤0.01%
Heavy metals(as Pb) ≤0.005% --
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