Scandium Oxide 99.9%
Scandium Oxide 99.9%, code 2195
Formula: Sc2O3
CAS No.: 12060-08-1
Molecular Weight: 137.91
Density: 3.86 g/cm3
Melting point: 2485°C
Appearance: White powder
Solubility: Insoluble in water, moderately soluble in strong mineral acids
Stability: Slightly hygroscopic
Multilingual: ScandiumOxid, Oxyde De Scandium, Oxido Del Scandium
Scandium Oxide 99.9% is applied in optical coating, catalyst and electronic ceramics. 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. Suitable for vacuum deposition applications. The other main application is manufacturing ceramics and halide lamps.
Products available
Product Code: 2195 Standard Specification Typical Analysis Inspection Methods
Grade 99.9% 99.9%  
CHEMICAL COMPOSITION
Sc2O3/TREO (% min.) 99.9 99.9
TREO (% min.) 99 99 Volumetric Method
Loss On Ignition (% max.) 1 1
Rare Earth Impurities % 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
Y2O3/TREO		 0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.05
0.005
0.01		 0.002
0.002
0.001
0.001
0.001
0.001
0.001
0.001
0.001
0.001
0.001
0.002
0.05
0.001
0.001		 ICP-Atomic Emission
Spectrographic
Non-Rare Earth Impurities % max. %
Fe2O3
SiO2
CaO
CuO
NiO
PbO
ZrO2
TiO2		 0.005
0.02
0.01		 0.002
0.01
0.008		 Spectrographic

Atomic Absorption Spectrographic
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