SZSE:002741
Chemical Reagents
Potassium phosphate tribasic anhdrousCOA Report
  • CAS No.:7778-53-2
  • Molecular weight:212.27
  • Aliases:Potassium phosphate
  • Molecular formula:K3PO4
  • EC No.:231-907-1
Information
Specification category:
Product No. Product name specifications
1.01800.010 Potassium phosphate tribasic anhdrous AR500g
Characteristic: Appearance and properties: Colorless/white crystal or powder,moisture sensitive.
Relative density: 2.564(water=1)(25℃)
Solubility: Dissolve easily in water(50.8%,25℃). Its aqueous solution is strong alkaline. Insoluble in alcohol.
Technical indicators:
Item AR CP
Assay(K3PO4) ≥99.0% ≥98.0%
Insoluble matter in water ≤0.01% ≤0.02%
Free alkali Pass Pass
Dipotassium salt Pass Pass
Chloride(Cl) ≤0.005% ≤0.01%
Sulfate(SO4) ≤0.005% ≤0.02%
Total nitrogen(N) ≤0.001% ≤0.002%
Carbonate(CO3) Pass Pass
Sodium(Na) ≤0.05% ≤0.1%
Iron(Fe) ≤0.002% ≤0.004%
Arsenic(As)v≤0.0001% ≤0.0002%
Heavy metals(as Pb) ≤0.001% ≤0.002%
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