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SZSE:002741
Chemical Reagents
Potassium tartrate hemihydrate COA Report
  • CAS No.:6100-19-2
  • Molecular weight:235.28
  • Aliases:Potassium tartrate?hemihydrate
  • Molecular formula:K2C4H4O6·1/2H2O
  • EC No.:213-067-8
Information
Specification category:
Product No. Product name specifications
1.01827.010 Potassium tartrate hemihydrate AR500g
Characteristic: Appearance and properties: White crystal or crystal powder.
Melting point(℃): 150(decomposition)
Relative density: 1.98(water=1)(20℃)
Solubility: Dissolve easily in water,insoluble in alcohol.
Technical indicators:
Item AR CP
Assay(C4H4O6K2?1/2H2O) ≥99.0% ≥99.0%
pH value(25℃,50g/L) 7.0~9.0 7.0~9.0 Clarity of solution Pass4 Pass6
Insoluble matter in water ≤0.005% ≤0.01%
Chloride(Cl) ≤0.002% ≤0.01%
Sulfate(SO4) ≤0.005% ≤0.01%
Phosphate(PO4) ≤0.002% ≤0.005%
Iron(Fe) ≤0.0005% ≤0.001%
Heavy metals(as Pb) ≤0.0005% ≤0.001%
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