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SZSE:002741
Chemical Reagents
Potassium chloride COA Report
  • CAS No.:7447-40-7
  • Molecular weight:74.55
  • Aliases:Potassium chloride 
  • Molecular formula:KCl
  • EC No.:231-211-8
  • HS-No:31051000
Information
Specification category:
Product No. Product name specifications
1.01704.030 Potassium chloride AR500g
1.01704.040 Potassium chloride AR25kg/Drum
1.01704.050 Potassium chloride CP500g
1.01704.080 Potassium chloride CP25kg/Drum
1.01704.120 Potassium chloride AR25kg/Sack
1.01704.160 Potassium chloride Spec500g
Characteristic: Appearance and properties: White odorless solid
Relative density: 1.98(water=1)(20℃)
Melting point(℃): 773
Boiling point(℃): 1413
Concentration: Pure
Solubility: Soluble in water(330 g/L,20℃), very slightly soluble in ethanol, insoluble in ether.
Technical indicators:
Item AR CP
Assay(KCl) ≥99.5% ≥99.5%
pH-value(50g/L solution),25℃ 5.0~8.0 5.0~8.0
Clarity of solution Pass3 Pass5
Insoluble matter in water ≤0.005% ≤0.02%
Iodide(I) ≤0.002% ≤0.01%
Bromide(Br) ≤0.02% ≤0.05%
Sulfate(SO4) ≤0.002% ≤0.005%
Total nitrogen(N) ≤0.001% ≤0.001%
Phosphate(PO4) ≤0.0005% ≤0.002%
Sodium(Na) ≤0.02% ≤0.1%
Magnesium(Mg) ≤0.001% ≤0.002%
Calcium(Ca) ≤0.003% ≤0.01%
Iron(Fe) ≤0.0003% ≤0.0005%
Barium(Ba) ≤0.001% ≤0.001%
Heavy metals(as Pb) ≤0.0005% ≤0.001%
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