SZSE:002741
Chemical Reagents
Potassium iodideCOA Report
  • CAS No.:7681-11-0
  • Aliases:Potassium iodide 
  • Molecular formula:KI
  • EC No.:231-659-4
  • HS-No:28276000
Information
Specification category:
Product No. Product name specifications
1.01708.020 Potassium iodide AR500g
1.01708.030 Potassium iodide AR25kg Granular/Drum
1.01708.060 Potassium iodide AR500g
1.01708.080 Potassium iodide AR250g
1.01708.090 Potassium iodide AR25kg Drum
Characteristic: Appearance and properties: White cubic crystal or powder.
pH value: 6.9(50g/L H2O,20℃)
Relative density: 3.13(water=1)(20℃)
Saturated vapour pressure(hPa):1.3(745℃)
Melting point(℃): 723
Boiling point(℃): 1325
Concentration: Pure
Solubility: Soluble in water,ethanol,acetone and glycerol,insoluble in ether.Keep container out of light and humidity.
Technical indicators:
Item AR CP
Assay(KI) ≥99.0% ≥98.5%
pH value(50g/L solution,25℃) 6.0~8.0 6.0~8.0
Clarity of solution Pass3 Pass5
Insoluble matter in water ≤0.01% ≤0.02%
Iodate and iodine(as IO3) ≤0.002% ≤0.005%
Chloride and bromide(as Cl) ≤0.02% ≤0.05%
Sulfate(SO4) ≤0.005% ≤0.01%
Phosphate(PO4) ≤0.002% --
Total nitrogen(N) ≤0.002% ≤0.002%
Sodium(Na) ≤0.1% --
Magnesium(Mg) ≤0.002% ≤0.005%
Calcium(Ca) ≤0.002% ≤0.005%
Iron(Fe) ≤0.0003% ≤0.0005%
Arsenic(As) ≤0.00002% --
Barium(Ba) ≤0.002% ≤0.004%
Heavy metals(as Pb) ≤0.0005% ≤0.001%
Reducing substance Pass --
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