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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

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW1959
MKCV3805
MKCT1225
MKCV3804
MKCQ2532

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A simple sol?gel technique for preparing lanthanum oxide nanopowders
Wang X, et al.
Materials Letters, 60(17-18), 2261-2265 null
Sibu, C.P. et al.
Chemistry of Materials, 14, 2876-2876 (2002)
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
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
Yuhui Ma et al.
Nanotoxicology, 5(4), 743-753 (2011-01-26)
With the increasing applications of metal-based nanoparticles in various commercial products, it is necessary to address their environmental fate and potential toxicity. In this work, we assessed the phytotoxicity of lanthanum oxide (La₂O₃) NPs to cucumber plants and determined its
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