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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:
1312-81-8
Molecular Weight:
325.81
EC Number:
215-200-5
MDL number:
MFCD00011071
UNSPSC Code:
12352302
PubChem Substance ID:
24882617
NACRES:
NA.23

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCQ2532
MKCM2535
MKCD6118
MKBZ6996V
MKBW0157V

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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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