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SZSE:002741
Chemical Reagents
Potassium hydrogen tartrateCOA Report
  • CAS No.:868-14-4
  • Molecular weight:188.18
  • Aliases:Potassium hydrogen tartrate 
  • Molecular formula:KHC4H4O6
  • EC No.:212-769-1
  • HS-No:29181300
Information
Specification category:
Product No. Product name specifications
1.01873.010 Potassium hydrogen tartrate AR500g
1.01873.030 Potassium hydrogen tartrate AR25kg
Characteristic: Appearance and properties: White solid powder.
Relative density: 1.984(water=1)(20℃)
Solubility: Soluble in hot water,acid and alkaline solution,slightly soluble in cold water and ethanol.
Technical indicators:
Item AR CP
Assay(KHC4H4O6) ≥99.5% ≥99.0%
Clarity of solution Pass3 Pass5
Insoluble matter in hydrochloric acid ≤0.005% ≤0.01%
Chloride(Cl) ≤0.001% ≤0.003%
Sulfate(SO4) ≤0.005% ≤0.01%
Ammonium salt(NH4) ≤0.005% ≤0.01%
Phosphate(PO4) ≤0.002%
Sodium(Na) ≤0.02%
Iron(Fe) ≤0.001% ≤0.005%
Heavy metals(as Pb) ≤0.001% ≤0.005%
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