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Key Documents

634271

Sigma-Aldrich

Lanthanum(III) oxide

nanopowder, <100 nm particle size (TEM), 99% trace metals basis

Synonym(s):

Dilanthanum trioxide, Lanthanum trioxide

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About This Item

Linear Formula:
La2O3
CAS Number:
Molecular Weight:
325.81
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:

Quality Level

Assay

99% trace metals basis

form

nanopowder

reaction suitability

reagent type: catalyst
core: lanthanum

particle size

<100 nm (TEM)

density

6.51 g/mL at 25 °C (lit.)

SMILES string

O=[La]O[La]=O

InChI

1S/2La.3O

InChI key

KTUFCUMIWABKDW-UHFFFAOYSA-N

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Application

Used as a dopant in nanoporous titania, increasing its surface acidity.
Precursor to LAMOX fast ion conductors and superconductors.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Sibu, C.P. et al.
Chemistry of Materials, 14, 2876-2876 (2002)
A simple sol?gel technique for preparing lanthanum oxide nanopowders
Wang X, et al.
Materials Letters, 60(17-18), 2261-2265 null
Lu Yuan et al.
International journal of nanomedicine, 15, 3415-3431 (2020-06-12)
Lanthanum oxide (La2O3) nanoparticles (NPs) have been widely used in catalytic and photoelectric applications, but the reproductive toxicity is still unclear. This study evaluated the reproductive toxicity of two different-sized La2O3 particles in the testes. Fifty Kunming mice were randomly
Ling Zhang et al.
Journal of hazardous materials, 190(1-3), 848-855 (2011-05-03)
Phosphate removal from wastewater is very important for the prevention of eutrophication. Adsorption of phosphate from water was investigated using activated carbon fiber loaded with lanthanum oxide (ACF-La) as a novel adsorbent. The effects of variables (La/ACF mass ratio, impregnation
Pei Lu et al.
Environmental technology, 33(7-9), 1029-1036 (2012-06-23)
In this paper, catalytic samples of 10, 20, 30, 40 and 50% (w/w) urea/activated carbon fibre (AFC), 10% urea--5% La2O3/ACF, 10% urea--10% La2O3/ACF, 10% urea--15% La2O3/ACF, 20% urea--5% La2O3/ACF, 20% urea--10% La2O3/ACF, and 20% urea-15% La2O3/ACF were prepared and used

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