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Potassium Hydroxide

flakes,KOH
Production Information
PROPERTIES   &  USAGE
Properties   Usage
Chemical formula KOH Precursor to other potassium compounds
Boiling point 1,327 °C (2,421 °F; 1,600 K) Niche applications
Density 2.044 g/cm3 (20 °C) Manufacture of soft soaps
  2.12 g/cm3 (25 °C)  
Melting point 360°C (680 °F; 633 K) As an electrolyte
Molar mass 56.11 g mol-1 Manufacture of biodiesel
    Petroleum refineries
 
SPECIFICATION  
Specification Unit :  Flakes     90% White Flake
Total Alcalinity (KOH)   : 91% min 92.0-95.0    
Potassium Hydroxide (KOH)   : 89.5% min   90.0% Min. ≥90.0
Sodium (NaOH)   : 1 max 1.7    
Potassium Carbonate (K2CO3)   : 0.5% max 1.4 0.70% Max. ≤0.5
Chloride (CL)   : 80 ppm max 0.7   ≤0.005
Iron (Fe)   : 5 ppm max 0.03 0.0005% Max. ≤0.002
Nickel (Ni)   : 5 ppm max   0.001% Max.  
Appearance   :    flakes of light green, light lilac or light grey color   White Flake
Sulphates content,    :   0.025   ≤0.05
Potassium chlorate content (КСlO3), %, max :   0.1      
Silicone content,  %, max :   0.01    
Calcium content %, max :   0.01    
Aluminum  content, %, max :   0.003    
Nitrates and nitrites content in terms of nitrogen,  %, max :   0.07   ≤0.002
KCL   :     0.02% Max.  
Na   :     0.40% Max. ≤1.0
Heavy metal (as Pb)       %   :       ≤0.002
Phosphate (as PO4)         %   :       ≤0.005
Silicate (as SiO3)          %   :       ≤0.01