Scandium(III) Oxide Properties
| Synonym | Scandia, Scandium Sesquioxide, Scandium Oxide |
| CAS No. | 12060-08-1 |
| Chemical formula | Sc2O3 |
| Molar mass | 137.910 g/mol |
| Appearance | white powder |
| Density | 3.86 g/cm3 |
| Melting point | 2,485 °C (4,505 °F; 2,758 K) |
| Solubility in water | insoluble in water |
| Solubility | soluble in hot acids (reacts) |
High Purity Scandium Oxide Specification
| Particle Size(D50) |
３〜５ μm |
| Purity（Sc2O3） | ≧99.99% |
| TREO(Total Rare Earth Oxides) | 99.00% |
| RE Impurities Contents | ppm | Non-REEs Impurities | ppm |
| La2O3 | 1 | Fe2O3 | 6 |
| CeO2 | 1 | MnO2 | 2 |
| Pr6O11 | 1 | SiO2 | 54 |
| Nd2O3 | 1 | CaO | 50 |
| Sm2O3 | 0.11 | MgO | 2 |
| Eu2O3 | 0.11 | Al2O3 | 16 |
| Gd2O3 | 0.1 | TiO2 | 30 |
| Tb4O7 | 0.1 | NiO | 2 |
| Dy2O3 | 0.1 | ZrO2 | 46 |
| Ho2O3 | 0.1 | HfO2 | 5 |
| Er2O3 | 0.1 | Na2O | 25 |
| Tm2O3 | 0.71 | K2O | 5 |
| Yb2O3 | 1.56 | V2O5 | 2 |
| Lu2O3 | 1.1 | L.O.I |
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| Y2O3 | 0.7 |
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【Packaging】25KG/bag Requirements:moisture proof, dust-free, dry, ventilate and clean.
What is Scandium Oxide used for?
Scandium Oxide, also called Scandia, gets wide applications in many industries due to its special physico-chemical properties. It is raw material for Al-Sc alloys, which gets uses for vehicle, ships and aerospace. It is suitable for the high index component of UV, AR and bandpass coatings due to its high index value, transparency, and layer hardness make high damage thresholds have been reported for combinations with silicon dioxide or magnesium fluoride for use in AR. Scandium Oxide is also applied in optical coating, catalyst, electronic ceramics and laser industry. It is also used annually in making high-intensity discharge lamps. A high melting white solid used in high-temperature systems (for its resistance to heat and thermal shock), electronic ceramics, and glass composition.
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