Yttrium Oxide

Yttrium Oxide
Formula: Y2O3
CAS No.: 1314-36-9
Molecular Weight: 225.81
Appearance: White
Solubility: Insoluble in water, moderately soluble in strong mineral acids
Stability: Slightly hygroscopic

Product Code	YO-6P	YO-5P	YO-4P	YO-3P	YO-2P
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	0.5	1	1	1
Rare Earth Impurities	% max.	% max.	% 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	0.00001 0.00001 0.00005 0.00005 0.00001 0.00001 0.00005 0.00001 0.00005 0.00001 0.00001 0.00001 0.00001 0.00001	0.0001 0.0001 0.0001 0.0001 0.0001 0.0002 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001	0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.003 0.005 0.0003 0.0003 0.0003 0.0003	0.03 0.01 0.005 0.005 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	% max.	% max.	% max.	% max.	% max.
Fe2O3 SiO2 CaO Cl- CuO NiO PbO Na2O K2O MgO Al2O3 TiO2 ThO2	0.0001 0.005 0.001 0.005 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0005 0.0001 0.0001	0.0003 0.005 0.001 0.01 0.0002 0.0003 0.0002 0.0015 0.0015 0.0015 0.005 0.005 0.002	0.0003 0.01 0.001 0.01 0.0003 0.0003 0.0003 0.0015 0.0015 0.0015 0.005 0.005 0.002	0.001 0.03 0.01 0.05	0.01 0.05 0.05 0.1

Application: Yttrium Oxide also called Yttria, high purity Yttrium Oxides are the most important materials for tri-bands Rare Earth phosphors which give the red colour in colour television & computer tubes. In optical industry,
the Yttrium Oxide is used to produce yttrium-iron-garnets, which are very effective microwave filters. Low purity of
Yttrium Oxide are widely applied in electronic ceramics.