SZSE：002741
Chemical Reagents
Potassium hydroxideCOA Report
  • CAS No.：1310-58-3
  • Molecular weight：56.11
  • Aliases：Potash caustic
  • Molecular formula：KOH
  • UN Code：1813
  • EC No.：215-181-3
  • HS-No：28152000
Information
Specification category：
Product No. Product name specifications
1.01763.018 Potassium hydroxid GR500g/Bottle
1.01763.028 Potassium hydroxid AR500g
1.01763.038 Potassium hydroxid CP500g
1.01763.048 Potassium hydroxid AR25kg/Drum
1.01763.058 Potassium hydroxid CP25kg/Drum
1.01763.098 Potassium hydroxid CP5kg×5 Woven Sack
1.01763.158 Potassium hydroxid CP25kg/Sack
1.01763.188 Potassium hydroxid AR25kg/Drum
1.01763.248 Potassium hydroxid AR25kg
1.01763.268 Potassium hydroxid (packed in Chengdu) AR25kg/Sack
1.01763.288 Potassium hydroxid Spec25kg
Characteristic： Appearance and properties: White crystal, moisture sensitive.
Relative density: 2.04(water=1)(20℃)
Melting point(℃): 360
Boiling point(℃): 1320
Concentration/content: Industrial grade,first grade≥90.0％；second grade≥88.0％.
Saturated vapour pressure(hPa): 0.13(719℃)
Solubility: Soluble in water(1130 g/L,20℃) and ethanol. Slightly soluble in ether.
Technical indicators：
Item Spec AR CP
Assay(KOH) ≥87.0% ≥85.0% ≥80.0%
Carbonate(as K2CO3) ≤0.5% ≤1.5% ≤2.0%
Clarity of solution Pass Pass4 Pass6
Chloride(Cl) ≤0.01% ≤0.01% ≤0.025%
Sulfate(SO4) ≤0.005% ≤0.005% ≤0.01%
Total nitrogen(N) ≤0.001% ≤0.001% ≤0.005%
Phosphate(PO4) ≤0.005% ≤0.005% ≤0.01%
Silicate(SiO4) ≤0.02%v≤0.02% ≤0.1%
Sodium(Na) ≤2.0% ≤2.0% ≤2.0%
Aluminum(Al) ≤0.005% ≤0.005% --
Calcium(Ca) ≤0.005% ≤0.005% ≤0.02%
Iron(Fe) ≤0.001% ≤0.001% ≤0.002%
Nickel(Ni) ≤0.0005% ≤0.0005% --
Heavy metals(as Pb) ≤0.002% ≤0.002% ≤0.003%
Hazard characteristics：

IATA-DGR UN 1813 POTASSIUM HYDROXIDE,SOLID,8,Ⅱ

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