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642991

Sigma-Aldrich

Aluminum oxide

greener alternative

nanoparticles, 30-60 nm particle size (TEM), 20 wt. % in H2O

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About This Item

Linear Formula:
Al2O3
CAS Number:
1344-28-1
Molecular Weight:
101.96
MDL number:
MFCD00003424
UNSPSC Code:
12352303
eCl@ss:
38120402
PubChem Substance ID:
24883240
NACRES:
NA.23

Key Documents

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form

dispersion
liquid (suspension)
nanoparticles

Quality Level

100

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

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concentration

20 wt. % in H2O

particle size

30-60 nm (TEM)

density

1.06 g/mL at 25 °C

greener alternative category

Enabling

SMILES string

O=[Al]O[Al]=O

InChI

1S/2Al.3O

InChI key

TWNQGVIAIRXVLR-UHFFFAOYSA-N

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General description

Aluminium oxide (Al2O3) is a metal oxide based engineered nanosized material that is used in a variety of industrial applications. It can be prepared by the hydrolysis of the alkoxide of Al2O3 and calcinating the particles in the presence of stabilizing agents.
We are committed to bringing you Greener Alternative Products, which belong to one of the four categories of greener alternatives. Aluminum oxide serves as a multifunctional additive or coating in lithium-ion batteries, helping stabilize electrode–electrolyte interfaces, suppress side reactions, improve thermal stability, and extend cycle life. By enabling safer, longer-lasting cells, it reduces material waste and energy use across the battery lifecycle. Click here for more information.

Application

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

Other Notes

No dispersant

Storage Class

12 - Non Combustible Liquids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

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Certificates of Analysis (COA)

Lot/Batch Number
MKCC4886
MKCC7562
MKCC2244
MKBV3498V
MKBS1780V

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Burning of nano-aluminized composite rocket propellants
De Luca LT, et al.
Combustion, Explosion and Shock Waves, 41(6), 680-692 (2005)
Structure and properties of Zn-Al-Cu alloy reinforced with alumina particles
Martinez-Flores E, et al.
Materials & Design, 24(4), 281-286 (2003)
A study on the friction and wear behavior of PTFE filled with alumina nanoparticles
Sawyer WG, et al.
Wear, 254(5-6), 573-580 (2003)
Structural transformations of alumina by high energy ball milling
ZielinAski PA
Journal of Materials Research, 8(11), 2985-2992 (1993)
Nanotechnology in high performance paint coatings
Khanna AS
Asian Journal of Experimental Sciences, 21(2), 25-32 (2008)
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