SZSE:002741
Chemical Reagents
Potassium dihydrogen phosphateCOA Report
  • CAS No.:7778-77-0
  • Molecular weight:136.09
  • Aliases:mono-Potassium orthophosphate,Potassium triphosphate,Potassium phosphate monobasic
  • Molecular formula:KH2PO4
  • EC No.:231-913-4
  • HS-No:28352400
Information
Specification category:
Product No. Product name specifications
1.01863.020 Potassium dihydrogen phosphate AR500g
1.01863.030 Potassium dihydrogen phosphate AR25kg
1.01863.040 Potassium dihydrogen phosphate CP500g
1.01863.050 Potassium dihydrogen phosphate CP25kg
1.01863.060 Potassium dihydrogen phosphate CP25kg
1.01863.080 Potassium dihydrogen phosphate AR25kg
1.01863.120 Potassium dihydrogen phosphate AR25kg
Characteristic: Appearance and properties: Coloeless odorless solid.
pH value: 4.4(50g/L H2O,20℃)
Relative density: 2.34(water=1)(20℃)
Melting point(℃): 253(decomposition)
Concentration: Pure
Solubility: Dissolve easily in water,insoluble in ethanol.
Technical indicators:
Item AR CP
Assay(KH2PO4) ≥99.5% ≥99.0%
pH-value(50g/L solution,25℃) 4.2~4.5 4.2~4.5
Clarity of solution Pass2 Pass4
Insoluble matter in water ≤0.002% ≤0.005%
Loss on drying ≤0.2% ≤0.3%
Chloride(Cl) ≤0.001% ≤0.005%
Sulfate(SO4) ≤0.003% ≤0.005%
Total nitrogen(N) 0.001% ≤0.002%
Arsenic(As) ≤0.0005% ≤0.002%
Sodium(Na) ≤0.02% ≤0.05%
Iron(Fe) ≤0.001% ≤0.005%
Heavy metals(as Pb) ≤0.001% ≤0.005%
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