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Yttrium Oxide (Y₂O₃)

Yttrium Oxide, or Yttria, is the most thermodynamically stable compound in the oxide group. Its high-temperature stability makes it useful as a refractory material, as it has a thermal expansion that’s less than that of alumina, magnesia, and zirconia.
Various purities are available between 99.9% and 99.99%
Typical Applications

Y₂O₃ is used in numerous special applications such as
• Sintering additive for Si₃N₄, AlN, and SiC
• Stabilizer for Zirconias – e.g., YSZ coatings (TBCs); YSZ electrolytes for solid oxide fuel cells (SOFC)
• Catalyst carrier
• Luminescent materials (phosphors)
• Constituent of high-temperature superalloys and ODS materials
• Additive in special glass (Yttralox)
• Dopants for Barium Titanates in electroceramics

Packaging Options

50 lb. net in a sealed poly bag inside a plastic pail.


Yttrium Oxide Powder (Yttria) TSCA (SARA Title III) Status: Listed. For further information, please call the EPA, Office of Chemical Safety and Pollution Prevention (OCSPP) at 202-564-2902
“Incompatible with strong acids. Hygroscopic – protect from moisture. Absorbs carbon dioxide from the air.”
Yttrium Oxide Powder (Yttria) CAS Number: 1314-36-9

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  • Yttrium Oxide (Y₂O₃) - Powder
  • Yttrium Oxide (Y₂O₃) - Sheet

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  • 1-2 Microns
  • -325 Mesh
  • 30-45 nm
  • 50-70 nm

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