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SZSE:002741
Chemical Reagents
Potassium pyrophosphate trihydrateCOA Report
  • CAS No.:7320-34-5
  • Molecular weight:384.38
  • Aliases:Potassium pyrophosphate
  • Molecular formula:K4P2O7·3H2O
  • EC No.:230-785-7
Information
Specification category:
Product No. Product name specifications
1.01767.010 Potassium pyrophosphate trihydrate AR500g
1.01767.020 Potassium pyrophosphate trihydrate AR25kg
Characteristic: Appearance and properties: Colorless crystal or particle.
Relative density: 2.33(water=1)(25℃)
Melting point(℃): 1109
Concentration: Pure
Solubility: Soluble in water,insoluble in ethanol.
Technical indicators:
Item AR CP
Assay(K4P2O7·3H2O) ≥99.0% ≥98.0%
Insoluble matter in water ≤0.01% ≤0.01%
Chloride(Cl) ≤0.002% ≤0.003%
Sulfate(SO4) ≤0.002% ≤0.002%
Iron(Fe) ≤0.002% ≤0.003%
Arsenic(As) ≤0.0005% ≤0.0005%
Heavy metals(as Pb) ≤0.001% ≤0.004%
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