Thulium Oxide (Tm<sub>2</sub>O<sub>3</sub>) 99.99% 4N Powder,  MSE Supplies

MSE PRO Thulium Oxide (Tm2O3) 99.99% 4N Powder

  • $ 19595
  • Save $ 2400

Thulium Oxide, Tm2O3, 99.99% 4N High Purity Powder

  • Product Number: PO4301 (50 g), PO4302 (100 g), PO4304 (500g),  PO4303 (1 kg)
  • Formula: Tm2O3
  • CAS Number: 12036-44-1
  • Molecular Weight: 385.866  g/mol
  • Density: 8.6 g/cm³ at 25°C
  • Melting Point: 2341°C
  • Color: Pale green
  • Solubility: Insoluble in water.
  • Particle size: 4-7um
  • Purity: 99.99% 4N (Tm2O3/TREO*)
* TREO - Total Rare Earth Oxides


    Thulium Oxide, Tm2O3, is the important dopant for silica-based fibre amplifiers, and also have specialized uses in ceramics, glass, phosphors, lasers. It is used in the manufacturing of portable X-ray transmission device, as a nuclear reactor control material and as an efficient biosensor in the field of medicinal chemistry.

    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 <5.0

    Fe2O3   <5.0

    Ho2O3 <5.0

    SiO2   <50.0

    Er2O3 <5.0

    CaO    <50.0

    Y2O3 <5.0

    CI-  <200.0


    Other rare earth oxide total <10.0



     1. Effect of Tm2O3 concentration and hydroxyl content on the emission properties of Tm doped silicate glasses, J. Lumin., Volume 147, March 2014, Pages 341-345

     2. High-k Tm2O3 Sensing Membrane-Based Electrolyte−Insulator−Semiconductor for pH Detection, J. Phys. Chem. C 2009, 113, 52, 21937–21940

     3. Glucose oxidase–Tm2O3 nanoparticle-modified electrode for direct electrochemistry and glucose sensing, J. Electroanal. Chem., Volume 642, Issue 1, 1 April 2010, Pages 1-5