Dysprosium (III) Oxide (Dy2O3) Powder 99.99% 4N

  • €21595

Dysprosium (III) Oxide, Dy2O3 , 99.99% 4N High Purity Powder

  • Product Number: PO1201 (500 g), PO1202 (1 kg)
  • Formula: Dy2O3
  • CAS Number: 1308-87-8
  • Molecular Weight: 372.998 g/mol
  • Density: 7.81 g/mL at 25°C
  • Melting Point: 2408°C
  • Particle size: 4~6 um
  • Color: white and slightly hygroscopic powder
  • Solubility: Moderately soluble in acid, not soluble in water.
  • Moisture Sensitivity: slightly hygroscopic
  • Purity: 99.99% 4N (TREO*)

* TREO - Total Rare Earth Oxides


Dy2O3 (dysprosium oxide) is used in ceramics, glass, phosphors, lasers and dysprosium halide lamps. Dy2O3 is commonly used as an additive in making optical materials. It is also used in catalysis applications.

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)
La2O3     <1.00 Fe2O3     5.50
CeO2      <4.00 CaO       31.50
Pr6O11    <1.00 SiO2       18.52
Nd2O3    <1.00 Cl-         86.30
Sm2O3    <9.00
Eu2O3    <1.00
Gd2O3   <6.00 Loss on Ignition (L.O.I.)     <0.41%
Tb4O7    <16.00
Ho2O3    <22.00
Er2O3     <1.00
Tm2O3    5.00
Lu2O3     <1.00
Yb2O3     <10.00
Y2O3     <1.00



Preparation and thermophysical properties of Dy2Zr2Oceramic for thermal barrier coatings,

X Qiang, P Wei, W Jingdong, Q Longhao, M Hezhuo - Materials Letters, 2005 - Elsevier

Transparent ceramics for lighting
GC Wei - Journal of the European Ceramic Society, 2009 - Elsevier

Effect of Y and Dy co-doping on electrical conductivity of ceria ceramics
SK Tadokoro, ENS Muccillo - Journal of the European Ceramic Society, 2007 - Elsevier

Preparation and photocatalytic activity of anatase titania modified with dysprosium oxide, R NK, AK Akhila - Journal of Chemical and Pharmaceutical Sciences , 2016 -