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    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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