SZSE:002741
Chemical Reagents
Potassium carbonate anhydrousCOA Report
  • CAS No.:584-08-7
  • Molecular weight:138.21
  • Aliases:Potassium carbonate
  • Molecular formula:K2CO3
  • EC No.:209-529-3
  • HS-No:28364000
Information
Specification category:
Product No. Product name specifications
1.01860.020 Potassium carbonate anhydrous AR500g
1.01860.030 Potassium carbonate anhydrous AR25kg
1.01860.040 Potassium carbonate anhydrous CP500g
Characteristic: Appearance and properties: White powder or parcitle crystal,very sensitive to moisture.
Relative density: 2.43(water=1)(20℃)
Melting point(℃): 891
Concentration: Pure
Solubility: Dissolve easily in water,insoluble in ethanol and ether.
Technical indicators:
Item AR CP
Assay(K2CO3) ≥99.0% ≥98.0%
Clarity of solution Pass3 Pass5
Insoluble matter in water ≤0.005% ≤0.03%
Chloride(Cl) ≤0.003% ≤0.01%
Sulfur compound(as SO4) ≤0.003% ≤0.01%
Total nitrogen(N) ≤0.001% ≤0.01%
Phosphate and silicate(as SiO2) ≤0.005% ≤0.02%
Loss on drying ≤1.0% ≤2.0%
Sodium(Na) ≤0.05% ≤0.10%
Magnesium(Mg) ≤0.002% ≤0.005%
Calcium(Ca) ≤0.002% ≤0.02%
Iron(Fe) ≤0.0005% ≤0.002%
Copper(Cu) ≤0.0005% ≤0.001%
Lead(Pb) ≤0.0005% ≤0.001%
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