• Yttrium Oxide Powder (Yttria) Synonyms:

yttria powder (Y2O3), yttrium oxide powder (Y2O3), yttrium(III) oxide, diyttrium trioxide, yttrium sesquioxide, CAS# 1314-36-9,

• Yttrium Oxide Powder (Yttria) Designations:

a) Chemical Name: Yttrium oxide

b) Chemical Formula: Y₂O₃

c) Hill System Formula: O3Y2

• Yttrium Oxide Powder (Yttria) General Description:

A refractory material. It has thermal expansion less than that of alumina, magnesia and zirconia. Soluble in acids, but only slightly soluble in water.

• Yttrium Oxide Powder (Yttria) Typical Chemical Purities Available:

Various purities available between 99.9% and 99.99% 

• Yttrium Oxide Powder (Yttria) Typical Granulations Available:

a) Tablets, pieces, and various powder granulations are available

b) Powder is available as fine as nanoparticles  

• Yttrium Oxide Powder (Yttria) Typical Physical Constants:

Molar Mass (g/mol.)
 225.81
 
Crystal Structure
 cubic
 
Density (g/cm3)
 5.03
 
Specific Gravity
 5.0
 
Solubility In Water
 Insoluble
 
Melting Point (°C)
 ~2690°C; 2439°C
 
Boiling Point (°C)
 4300
 
Thermal Conductivity @20°C (cal/s-cm-°C)
 0.12- 0.08
 
RTECS Number
 ZG3850000
 
EC Number
 215-233-5
 
Coordination Geometry
 octahedral
 
Color
 white

• Yttrium Oxide Powder (Yttria) Typical Applications:

Coating crucibles, tuyeres and nozzles for improved resistance to molten titanium and metals prepared by rapid solidification.

• Yttrium Oxide News: 

THE CRITICAL MATERIALS STRATEGY REPORT (Published by The U. S. Department of Energy) was released in December 2010. Visit:

• Yttrium Oxide Powder (Yttria) Packaging Options:

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

• Yttrium Oxide Powder (Yttria) TSCA (SARA Title III) Status:

a) Listed. For further information please call the U.S. Environmental Protection Agency at +.202.554.1404

b) "Incompatible with strong acids. Hygroscopic - protect from moisture. Absorbs carbon dioxide from air."

• Yttrium Oxide Powder (Yttria) Chemical Abstract Service Number: 

CAS# 1314-36-9