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
PubChem Substance ID:
eCl@ss:
38120402
UNSPSC Code:
12352311
EC Number:
215-691-6
MDL number:
InChI key
TWNQGVIAIRXVLR-UHFFFAOYSA-N
InChI
1S/2Al.3O
SMILES string
O=[Al]O[Al]=O
type
Type CG-20
form
powder
mp
2040 °C (lit.)
suitability
suitable for chromatography
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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
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)
Aldose-ketose interconversion in pyridine in the presence of aluminium oxide.
Ekeberg D, et al.
Carbohydrate Research, 342(14), 1992-1997 (2007)
Study on the mechanism of the reaction of NO2 with aluminium oxide.
Apostolescu N, et al.
Applied Catalysis. B, Environmental, 51(1), 43-50 (2004)
High contrast laser marking of alumina.
Penide J, et al.
Applied Surface Science, 336, 118-128 (2015)
Alumina extraction from high-alumina ladle furnace refining slag.
Zhou Y, et al.
Hydrometallurgy, 140, 14-19 (2013)
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