| Yttrium Oxide Properties |
|
| Synonym | Yttrium(III) Oxide |
| CAS No. | 1314-36-9 |
| Chemical formula | Y2O3 |
| 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 |
High Purity Yttrium Oxide Specification
Particle Size(D50)
Min. 0.03 μm
Purity（Y2O3）
≧99.999%
TREO(Total Rare Earth Oxides)
99.41%
【Packaging】25KG/bag Requirements:moisture proof, dust-free, dry, ventilate and clean.
RE Impurities Contents
ppm
Non-REEs Impurities
ppm
La2O3
<1
Fe2O3
1.35
CeO2
<1
SiO2
16
Pr6O11
<1
CaO
3.95
Nd2O3
<1
PbO
Nd
Sm2O3
<1
CL¯
29.68
Eu2O3
<1
L.O.I
0.57%
Gd2O3
<1
Tb4O7
<1
Dy2O3
<1
Ho2O3
<1
Er2O3
<1
Tm2O3
<1
Yb2O3
<1
Lu2O3
<1
What is Yttrium Oxide used for?
Yttrium Oxide is also used to make yttrium iron garnets, which are very effective microwave filters. It is also a prospective solid-state laser material. Yttrium Oxide is an important starting point for inorganic compounds. For organometallic chemistry it is converted to YCl3 in a reaction with concentrated hydrochloric acid and ammonium chloride. Yttrium oxide was used in the preparation of pervoskite type structure, YAlO3, containing chrome ions.
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