Yttrium Oxide 99.99% - 5600
Formula
Y2O3
Formula Weight 225.81
Chem. Abs. #1314-36-9
Apperance

White Powder
Physical Properties
Melting Point =2,430' C
Crystal Density 5.0 g/cm3
C-Ln2O3 type structure
Packaging
25 kg (55.1 lb) in a sealed polyethylene bag inside a 7 gallon lock-rim white plastic pail 1kg, 5 kg & 25 kg packages — for small shipments
Shipping Point
Mountain Pass, CA
Product Composition
Yttrium Oxide
Loss on Ignition @ 1,000' C 1% max
Y2O3
99.99
%min
La2O3
10
ppm max
Ce02
1
ppm max
Pr6O11
10
ppm max
Nd2O3
10
ppm max
Sm2O3
10
ppm max
Gd2O3
10
ppm max
Eu2O3
5
ppm max
Tb4O7
10
ppm max
Dy2O3
2
ppm max
HO2O3
10
ppm max
Er2O3
5
ppm max
Tm2O3
2
ppm max
Yb2O3
2
ppm max
Lu2O3
2
ppm max
Fe2O3
5
ppm max
CaO
10
ppm max
Na2O
10
ppm max
Particle Size (Microtrac d50) 3 – 6 µ
Screened - 30 mesh (< 600 microns)

Chemical Properties
Yttrium closely resembles the lanthanides in properties. The oxide, slightly hygroscopic, is insoluble in water but soluble in mineral acids. Among Yttrium (III) salts, the carbonate and oxalate are insoluble but the chloride, acetate and nitrate are soluble in water.

Yttrium Oxide 99.99% - 5600