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Chromium(III) Potassium Sulfate Dodecahydrate

    Specifications

    HS Code

    222635

    Chemical Name Chromium(III) Potassium Sulfate Dodecahydrate
    Common Name Chrome Alum
    Chemical Formula KCr(SO4)2·12H2O
    Molecular Weight 499.41 g/mol
    Appearance Dark purple to violet crystals
    Solubility In Water Very soluble
    Melting Point 89 °C (decomposes with loss of water)
    Density 1.83 g/cm³ (at 20°C)
    Cas Number 7788-99-0
    Ec Number 232-646-7
    Odor Odorless
    Ph Of 1 Percent Solution Approximately 2.5–3.0

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