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SZSE：002741
Chemical Reagents
di-Potassium hydrogen phosphate trihydrateCOA Report
  • CAS No.：16788-57-1
  • Molecular weight：228.22
  • Aliases：Potassium phosphate?dibasic
  • Molecular formula：K2HPO4?3H2O
  • EC No.：231-834-5
  • HS-No：28352400
Information
Specification category：
Product No. Product name specifications
1.01862.010 di-Potassium hydrogen phosphate trihydrate AR500g
1.01862.020 di-Potassium hydrogen phosphate trihydrate AR25kg
1.01862.030 di-Potassium hydrogen phosphate trihydrate CP500g
1.01862.040 di-Potassium hydrogen phosphate trihydrate CP25kg
1.01862.050 di-Potassium hydrogen phosphate trihydrate CP25kg
1.01862.070 di-Potassium hydrogen phosphate trihydrate CP25kg
Characteristic： Appearance and properties: Colorless crystal or white powder,moisture sensitive.
Concentration: Pure
Solubility: Dissolve easily in water,slightly soluble in ethanol.
Technical indicators：
Item AR CP
Assay ≥99.0% ≥97.0%
pH-value(50g/L solution,25℃) 8.9~9.4 8.9~9.4
Clarity of solution Pass2 Pass4
Insoluble matter in water ≤0.01% ≤0.03%
Chloride(Cl) ≤0.002% ≤0.005%
Sulfate(SO4) ≤0.01% ≤0.03%
Nitrate(NO3) ≤0.001% ≤0.003%
Sodium(Na) ≤0.05% ≤0.10%
Magnesium(Mg) ≤0.001% ≤0.001%
Iron(Fe) ≤0.001% ≤0.003%
Arsenic(As) ≤0.0001%v≤0.0003%
Heavy metals(as Pb) ≤0.001% ≤0.003%
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