A6139
Aluminum oxide
Type CG-20
Synonym(s):
Alumina
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About This Item
Linear Formula:
Al2O3
CAS Number:
Molecular Weight:
101.96
EC Number:
MDL number:
UNSPSC Code:
12352311
eCl@ss:
38120402
PubChem Substance ID:
type
Type CG-20
form
powder
mp
2040 °C (lit.)
suitability
suitable for chromatography
SMILES string
O=[Al]O[Al]=O
InChI
1S/2Al.3O
InChI key
TWNQGVIAIRXVLR-UHFFFAOYSA-N
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General description
Aluminum oxide (alumina, Al2O3), a metal oxide, is a common raw material for manufacturing ceramics. It is a good electrical insulator that shows stability at high temperature and resistance to chemicals. Alumina is an important source for aluminum and has been prepared from high-alumina ladle furnace refining slag. It can enhance the reaction rate of aldose to ketose conversion by Lobry de Bruyn-Alberda van Ekenstein transformation. It is a key constituent of NOx storage catalysts (NSC), which are employed to get rid of nitrogen oxides from the exhaust gas of lean burn engines. Its surface passivation characteristics on crystalline silicon makes it a vaiable candidate in silicon solar cell production.
Application
Aluminum oxide may be used as a dopant to produce optical fiber amplifiers and high-power fiber lasers. Epoxidation of limonene by hydrogen peroxide can be promoted by this metal oxide.
Storage Class Code
13 - Non Combustible Solids
WGK
nwg
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Regulatory Information
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Limonene epoxidation with H2O2 promoted by Al2O3: Kinetic study, experimental design.
Bonon AJ, et al.
J. Catal., 319, 71-86 (2014)
Nonlinear relaxational polarization in aluminum oxide.
Kankate L, et al.
IEEE Transactions on Dielectrics and Electrical Insulation, 22(2), 1220-1231 (2015)
Aldose-ketose interconversion in pyridine in the presence of aluminium oxide.
Ekeberg D, et al.
Carbohydrate Research, 342(14), 1992-1997 (2007)
Advances in the surface passivation of silicon solar cells.
Schmidt J, et al.
Energy Procedia, 15, 30-39 (2012)
Alumina as a dopant in optical fiber by OVD.
Wang J.
Applied Physics. A, Materials Science & Processing, 116(2), 505-518 (2014)
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