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Yttrium Oxide (Y2O3) Powder

HTRE1164

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Yttrium Oxide Y2O3 is applied in petroleum and environment protection catalysts, mischmetal, polishing powders and Rare Earth fertilizers. Heeger Materials (HM) provides Yttrium Oxide Y2O3 at a competitive price. The purity and particle size can be customized.

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Data sheet

MF Y2O3
MW 225.81
Purity 99.9999%/99.999%/99.99%/99.9%/99%
CAS 1314-36-9
Synonyms Yttrium Oxide/YttriumOxid/Oxyde De Yttrium/Oxido Del Ytrio

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Yttrium oxide, also known as yttria, is Y2O3. It is an air-stable, white solid substance. Yttrium oxide is used as a common starting material for both materials science as well as inorganic compounds. HM stocks a wide variety of rare earth materials for use in electronics, petrochemical, metallurgy, machinery, energy, environmental protection, agriculture, and other fields. We also offer pure metals and compounds for R&D applications.

  • CAS: 1314-36-9
  • Molecular Formula: Y2O3
  • Purity: 99.9%-99.999%
  • EINECS No.: 215-233-5
  • Molar mass: 225.81 g/mol
  • Appearance: White solid.
  • Density: 5.010 g/cm3, solid
  • Melting point: 2,425 °C (4,397 °F; 2,698 K)
  • Boiling point: 4,300 °C (7,770 °F; 4,570 K)
  • Solubility in water: insoluble
  • Solubility in alcohol: acid-soluble
  • Crystal structure: Cubic (bixbyite)

Yttrium Oxide (Y2O3) Products

Yttrium Oxide also called Yttria, high purity Yttrium Oxides are the most important materials for tri-bands Rare Earth phosphors which give the red color in color television & computer tubes. In the optical industry, the Yttrium Oxide is used to produce Yttrium-Iron-Garnets, which are very effective microwave filters. Low purity of Yttrium Oxide is widely applied in electronic ceramics. It is widely used to make Eu: YVO4 and Eu: Y2O3 phosphors that give the red color in color TV picture tubes. Yttrium Oxide is also used to make Yttrium-Iron-Garnets, which are very effective microwave filters.

Grade 99.9999% 99.999% 99.99% 99.9% 99%
CHEMICAL COMPOSITION          
Y2O3/TREO (% min.) 99.9999 99.999 99.99 99.9 99
TREO (% min.) 99.9 99 99 99 99
Loss On Ignition (% max.) 0.5 1 1 1 1
Rare Earth Impurities ppm max. ppm max. ppm max. % max. % max.
La2O3/TREO
CeO2/TREO
Pr6O11/TREO
Nd2O3/TREO
Sm2O3/TREO
Eu2O3/TREO
Gd2O3/TREO
Tb4O7/TREO
Dy2O3/TREO
Ho2O3/TREO
Er2O3/TREO
Tm2O3/TREO
Yb2O3/TREO
Lu2O3/TREO
0.1
0.1
0.5
0.5
0.1
0.1
0.5
0.1
0.5
0.1
0.2
0.1
0.2
0.1
1
1
1
1
1
2
1
1
1
2
2
1
1
1
30
30
10
20
5
5
5
10
10
20
15
5
20
5
0.01
0.01
0.01
0.01
0.005
0.005
0.01
0.001
0.005
0.03
0.03
0.001
0.005
0.001
0.03
0.03
0.03
0.03
0.03
0.03
0.1
0.05
0.05
0.3
0.3
0.03
0.03
0.03
Non-Rare Earth Impurities ppm max. ppm max. ppm max. % max. % max.
Fe2O3
SiO2
CaO
Cl-
CuO
NiO
PbO
Na2O
K2O
MgO
Al2O3
TiO2
ThO2
1
10
10
50
1
1
1
1
1
1
5
1
1
3
50
30
100
2
3
2
15
15
15
50
50
20
10
100
100
300
5
5
10
10
15
15
50
50
20
0.002
0.03
0.02
0.05
0.01
0.05
0.05
0.1

Yttrium Oxide (Y2O3) Applications

  • Yttria is widely used to make Eu:YVO4 and Eu:Y2O3 phosphors that give the red color in color TV picture tubes.
  • Y2O3 is a prospective solid-state laser material. In particular, lasers with ytterbium as dopant allow efficient operation both in continuous operation and in pulsed regimes.
  • Yttrium oxide is used to stabilize the Zirconia in late-generation porcelain-free metal-free dental ceramics. This is a very hard ceramic used as a strong base material in some full ceramic restorations.
  • Yttrium oxide is also used to make yttrium iron garnets, which are very effective microwave filters.

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