Scandium oxide
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Scandium oxide
structure -
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CAS No:
12060-08-1
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Formula:
O3Sc2
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Chemical Name:
Scandium oxide
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Synonyms:
Scandium(III) oxide, REacton(R), 99.9% (REO);Scandium Oxide, tablets;Scandium(III) oxide, REacton, 99.9% (REO);Scandium(III) oxide, REacton, 99.99% (REO);Scandium (III) oxide, 99,999% (REO);Scandium oxide, 99.9% (REO);SCANDIUM STANDARD SOLUTION;SCANDIUM(+3)OXIDE
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CAS No:
Description
fine white powder(s) or sintered pieces of 3–12mm; used as an evaporation material of 99.99% purity to produce fairly hard coating which is very stable, and is useful for antireflection coating on semiconductors with high index [MER06] [CER91]
Scandium oxide has an extremely high melting point and is therefore likely to be an ionic compound, meaning its particles are joined by ionic bonds.
Characteristics
43.37000
-0.30600
White powder
8.35 g/mL at 25 °C(lit.)
1000 °C
1.964
insoluble
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
under inert gas (nitrogen or Argon) at 2-8°C
Safety Information
NONH for all modes of transport
3
24/25
Stable under normal temperatures and pressures.
Scandium oxide Use and Manufacturing
The crude scandium oxide separated from the nickel ore is processed into scandium hydroxide, which is then heated and roasted to obtain the finished scandium oxide.
Scandium Oxide is 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. Suitable for vacuum deposition applications.
Scandium oxide (Sc2O3): 2Sc
3+
+ 3O
2-
→ Sc2O3. Scandium oxide is used to prepare scandium
fluoride (ScF3), which is also used as an electrolyte to produce scandium metal.
Scandium oxide (Sc2O3): 2Sc3++ 3O2-→ Sc2O3. Scandium oxide is used to prepare scandium fluoride (ScF3), which is also used as an electrolyte to produce scandium metal.
Scandium oxide (Sc2O3): ACTIVE
Computed Properties
Molecular Weight:137.910
Hydrogen Bond Acceptor Count:3
Exact Mass:137.89656
Monoisotopic Mass:137.89656
Topological Polar Surface Area:3
Heavy Atom Count:5
Covalently-Bonded Unit Count:5
Compound Is Canonicalized:Yes
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