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  • Lanthanum Oxide

    Lanthanum Oxide La2O3,
    CAS:1312-81-8.
    EINECS NO. 215-200-5.
    MOL FORMULA. La2O3.
    MOL WT. 325.82
    Appearance White powder, hygroscopic
    Density 6.51 g/cm3, solid
    Melting point 2315 'C (2588 K)
    Boiling point 4200 'C (4500 K)
    Solubility : Insoluble in water

    chemical data sheet:
    lanthanum oxide 99.995%.
    TREO(total rare earth oxides):99% min.
    Rare-earth impurity
    La2O3/ TREO   99.995% min.
    CeO2/TREO   0.0010% max.
    Pr6O11/TREO   0.0005% max.
    Nd2O3/TREO   0.0005% max.
    Sm2O3/TREO   0.0003% max.
    Eu2O3/TREO   0.0003% max.
    Y2O3/TREO    0.0003% max.
    None rare-earth impurities
    Fe2O3   0.0001% max.
    SiO2    0.0050% max.
    CaO    0.0010% max.
    CuO    0.0001% max.
    MnO2    0.0001% max.
    NiO    0.0002% max.
    PbO    0.0002% max.
    CoO    0.0001% max.
    As2O3    0.0001% max.
    Cr2O3    0.0001% max.
    L.O.I.    (1000'C, 2 hour):1.0% max.
    Packing in 50 kgs drums,inner vacuum packing.

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