Scandium oxide (Sc2O3)
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Scandium oxide (Sc2O3)
structure -
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CAS No:
12060-08-1
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Formula:
O3Sc2
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Chemical Name:
Scandium oxide (Sc2O3)
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Synonyms:
Scandium oxide (Sc2O3);Scandium sesquioxide;Scandium oxide;Discandium trioxide;Scandia;Scandium trioxide;Scandium(3+) oxide;Scandium(III) oxide;Scandia (Sc2O3);Scandium oxide (ScO1.5);256652-08-1;256652-09-2;1187313-37-6;1257584-26-1
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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]
Characteristics
43.37000
-0.30600
White powder
3.860 g/cm3
2430 °C
1.964
H2O: insoluble
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Safety Information
NONH for all modes of transport
3
24/25
Stable under normal temperatures and pressures.
Scandium oxide (Sc2O3) 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): 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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