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544833

Sigma-Aldrich

Aluminum oxide

nanopowder, <50 nm particle size (TEM)

Synonym(s):

Gamma Al2O3, Alumina

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About This Item

Linear Formula:
Al2O3
CAS Number:
1344-28-1
Molecular Weight:
101.96
EC Number:
215-691-6
MDL number:
MFCD00003424
UNSPSC Code:
12352303
eCl@ss:
38120402
PubChem Substance ID:
24878787
NACRES:
NA.23

description

gamma phase

Quality Level

200

form

nanopowder

surface area

>40 m2/g , BET

particle size

<50 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 (Al2O3) based nanopowder is a metal oxide based nanosized material that can be used in a variety of industrial applications. It can be prepared by the hydrolysis of the alkoxide of Al2O3 and calcination of particles in the presence of stabilizing agents.

Application

Al2O3 nanopowder can be used for a wide range of applications, such as ceramics, aerospace, wastewater treatment, abrasives, paints, catalysts, and flooring materials.

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

544833-50G:4548173943930
544833-VAR:
544833-BULK:
544833-10G:4548173943923

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Certificates of Analysis (COA)

Lot/Batch Number
BCCH1968
BCCG0535
BCCD3504
BCCB0346
BCBV0836

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Nanotechnology in high performance paint coatings
Khanna AS
Asian Journal of Experimental Sciences, 21(2), 25-32 (2008)
Size-controlled synthesis of alumina nanoparticles from aluminum alkoxides
Park YK, et al.
Materials Research Bulletin, 40(9), 1506-1512 (2005)
Colloidal behavior of aluminum oxide nanoparticles as affected by pH and natural organic matter
Ghosh S, et al.
Langmuir, 24(21), 12385-12391 (2008)
Alumina and zirconia acrylate nanocomposites coatings for wood flooring: Photocalorimetric characterization
Landry V, et al.
Progress in Organic Coatings, 61(1), 76-82 (2008)
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Nanomaterials (Basel, Switzerland), 10(9) (2020-09-17)
Physical chemical characterization of nanomaterials is critical to assessing quality control during production, evaluating the impact of material properties on human health and the environment, and developing regulatory frameworks for their use. We have investigated a set of 29 nanomaterials
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