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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

Quality Level

100

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
Lu Yuan et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 144, 111582-111582 (2020-07-17)
Lanthanum oxide nanoparticles (La2O3 NPs) are used in photoelectric and catalytic applications. Astaxanthin (ASX) is a red carotenoid pigment with antioxidant and anti-inflammatory properties, and the antioxidant activities promote neuroprotection. This study explored the effect of ASX supplementation on La2O3
Lili Liu et al.
Journal of nanoscience and nanotechnology, 11(3), 2155-2162 (2011-04-01)
La2O3-CeO2 nanopowders with different La2O3 (0-20 mol%) were prepared by the sol-gel method. The modification of the cubic structure of ceria by substituting La3+ for Ce4+ into the lattice of CeO2 has been investigated. The crystal structure of La2O3-CeO2 nanomaterials
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