Scandium(III) oxide, Sc2O3, or Scandia, is a high melting rare earth oxide. It is used in the preparation of other scandium compounds as well as in high-temperature systems (for its resistance to heat and thermal shock), electronic ceramics, and glass composition (as a helper material).
Physical Properties of Scandium Oxide (Sc2O3)
Linear Formula of Scandium Oxide: Sc2O3
Molecular Weight of Scandium Oxide: 137.910 g/mol
Appearance of Scandium Oxide: White powder
Density of Scandium Oxide: 3.86 g/cm3
Melting Point of Scandium Oxide: 2,485 °C (4,505 °F; 2,758 K)
Solubility of Scandium Oxide in Water: Insoluble in water
Solubility os Scandium Oxide in Acids: Soluble in hot acids (reacts)
Product Name | Sc2O3_3N | Sc2O3_3N5 | Sc2O3_4N | Sc2O3_5N | ||
Chemical formula | Sc2O3 | Sc2O3 | Sc2O3 | Sc2O3 | ||
Total rare earths | % | ≥99 | ≥99 | ≥99 | ≥99 | |
Sc2O3/REO ≥ | % | 99.9 | 99.99 | 99.99 | 99.999 | |
Burn L.O.I(1000℃,lhr) | % | ≤3 | ≤2 | ≤1 | ≤1 | |
Non rare earth impurity content | CaO | µg/g | ≤200 | ≤50 | ≤30 | ≤3 |
Fe2O3 | µg/g | ≤500 | ≤100 | ≤10 | ≤1 | |
SiO2 | µg/g | ≤100 | ≤100 | ≤50 | ≤2 | |
Al2O3 | µg/g | ≤200 | ≤200 | ≤20 | ≤2 | |
ZrO3 | µg/g | ≤500 | ≤300 | ≤30 | ≤2 | |
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