718475
Aluminum oxide
nanopowder, 13 nm primary particle size (TEM), 99.8% trace metals basis
Synonym(s):
Aluminia, Alumina
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About This Item
Linear Formula:
Al2O3
CAS Number:
Molecular Weight:
101.96
EC Number:
MDL number:
UNSPSC Code:
12352303
eCl@ss:
38120402
PubChem Substance ID:
NACRES:
NA.23
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Assay
99.8% trace metals basis
form
nanopowder
surface area
85-115 m2/g , BET
primary particle size
13 nm (TEM)
mp
2040 °C (lit.)
SMILES string
O=[Al]O[Al]=O
InChI
1S/2Al.3O
InChI key
TWNQGVIAIRXVLR-UHFFFAOYSA-N
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General description
Aluminum oxide nanoparticles (AlNPs) are porous nanomaterials with corundum-like structures. They possess high surface area, mechanical strength, and good optical properties. In addition, they have excellent chemical stability in harsh conditions such as abrasive environments and high temperatures. The ease of surface modification and bioinertess make them suitable for biomedical applications. These nanomaterials can be prepared by a cost-effective and simple protocol.
Application
Aluminum nanoparticles can be used to prepare:
- Water-based nanofluids, which are used in engine cooling, heat exchangers, and nuclear cooling system. In graphene oxide/alumina nanofluid, the addition of aluminum nanoparticles improves the physical structure of graphene oxide and reduces the viscosity of the composite.
- Polysiloxane-aluminum oxide composites, applicable as an elastomeric thermal pad for light-emitting diodes.
Features and Benefits
- Stable in a harsh non-biological environment.
- They can be easily prepared through established synthesis methods.
- A vast surface area allows conjugation with chemical and biological molecules.
- Their surface modification protocols are straightforward.
- They can easily interact with biological interfaces.
Storage Class Code
13 - Non Combustible Solids
WGK
nwg
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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