SZSE:002741
Chemical Reagents
Potassium nitrate?COA Report
  • CAS No.:7757-79-1
  • Molecular weight:101.10
  • Molecular formula:KNO3
  • UN Code:1486
  • EC No.:231-818-8
  • HS-No:28342100
Information
Specification category:
Product No. Product name specifications
1.01701.015 Potassium nitrate? AR500g
1.01701.025 Potassium nitrate? CP500g
1.01701.035 Potassium nitrate? AR25kg/drum
1.01701.045 Potassium nitrate? CP25kg/drum
1.01701.055 Potassium nitrate? Spec25kg/drum
1.01701.075 Potassium nitrate? Spec15kg/drum
1.01701.085 Potassium nitrate? Spec25kg/drum
1.01701.115 Potassium nitrate? Spec25kg
Characteristic: Appearance and properties: Colourless transparent prismatic crystal or trigonal crystal or white powder.
Relative density?(water=1): 2.11
Melting point(℃): 334
Concentration: assay: Technical grade industrial first class ≥99.5%; Industrial secondary ≥99.0%; Industrial tertiary≥98%.
Solubility: Soluble in water,dissolved?in thanol、diethyl ether.
Technical indicators:
Item AR CP Assay(KNO3) ≥99.0% ≥98.5% pH valuepH value(50g/L,25℃) 5.0~8.0 5.0~8.0 Clarity of solution Pass3 Pass5 Insoluble matter in water ≤0.004% ≤0.006% Total chlorine(as Cl) ≤0.003% ≤0.005% Iodate(IO3) ≤0.0005% ≤0.002% Sulfate(SO4) ≤0.003% ≤0.01% Nitrite(NO2) ≤0.001% ≤0.002% Ammonium(NH4) ≤0.001% ≤0.005% Phosphate(PO4) ≤0.0005% ≤0.001% Sodium(Na) ≤0.02% ≤0.05% Magnesium(Mg) ≤0.002% ≤0.004% Calcium(Ca) ≤0.004% ≤0.006% Iron(Fe) ≤0.0002% ≤0.0005% Heavy metals(as Pb) ≤0.0005% ≤0.001%
Hazard characteristics:

IATA-DGR UN 1486 POTASSIUM NITRATE,5.1,III

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