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Tungsten(VI) Oxide

    Specifications

    HS Code

    620269

    Chemical Name Tungsten(VI) Oxide
    Chemical Formula WO3
    Molar Mass 231.84 g/mol
    Appearance yellow crystalline solid
    Density 7.16 g/cm3
    Melting Point 1473 °C
    Boiling Point 1700 °C (sublimes)
    Solubility In Water insoluble
    Cas Number 1314-35-8
    Main Oxidation State +6
    Structure monoclinic (at room temperature)
    Band Gap 2.6 eV
    Refractive Index 2.1
    Thermal Conductivity 2.0 W/m·K
    Color yellow

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