Terbium (III,IV) oxide (Tb<sub>4</sub>O<sub>7</sub>) 99.995% 4N5 Powder,  MSE Supplies

Terbium (III,IV) Oxide (Tb4O7) 99.995% 4N5 Powder

  • $ 44500

Terbium (III,IV) Oxide, Tb4O7, 99.995% 4N5 High Purity Powder

  • Product Number: PO4401 (50 g), PO4402 (100 g), PO4404 (500g), PO4403 (1 kg)
  • Formula: Tb4O7
  • CAS Number: 12037-01-3
  • Molecular Weight: 747.6972  g/mol
  • Density: 7.3 g/cm³ at 25°C
  • Melting Point: Decomposes to Tb2O3 
  • Color: Dark brown-black
  • Solubility: Insoluble in water.
  • Purity: 99.995% 4N5 (Tb4O7/TREO*)
* TREO - Total Rare Earth Oxides


    Terbium (III,IV) oxide, Tb4O7, is widely used as precursor for the preparation of other terbium compounds. It can be used as an activator for green phosphors, a dopant in solid-state devices and fuel cell material, special lasers and a redox catalyst in reactions involving oxygen.

    Notes: More detailed product information including SDS, certificate of analysis (COA), lead time and volume pricing are available upon request. 

    Rare Earth Impurities Content (ppm)

    Non- Rare Earth Impurities Content (ppm)

    Dy2O3 <1.0

    Fe2O3   <3.0

    Ho2O3 <0.5

    SiO2   <30.0

    Eu2O3 <1.0

    CaO    <10.0

    Y2O3 <0.5

    CI-  <100.0


    Other rare earth oxide total <1.0



     1. Application of Tb4O7 Nanoparticles for Lasalocid and Salicylate Determination in Food Analysis, J. Agric. Food Chem. 2012, 60, 47, 11741–11747

     2. Green electroluminescence from Tb4O7 films on silicon: Impact excitation of Tb3+ ions by hot carriers, Appl. Phys. Lett. 108, 051113 (2016)

     3. Phase stability and electric conductivity of Eu2O3–Tb4O7 co-doped Bi2O3 electrolyte, Int. J. Hydrog. Energy Volume 40, Issue 30, 10 August 2015, Pages 9485-9490