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1312-81-8 - Lanthanum(III) oxide, 99.99% (REO), Ca 10ppm max, AAS Grade - 11266 - Alfa Aesar

11266 Lanthanum(III) oxide, 99.99% (REO), Ca 10ppm max, AAS Grade

CAS Number
1312-81-8
Synonyms

Size Price ($) Quantity Availability
50g 39.30
250g 180.00
1kg 648.00
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Lanthanum(III) oxide, 99.99% (REO), Ca 10ppm max, AAS Grade

MDL
MFCD00011071
EINECS
215-200-5

Chemical Properties

Formula
La2O3
Formula Weight
325.82
Form
-325 Mesh Powder
Melting point
2307°
Boiling Point
4200°
Density
6.51
Sensitivity
Hygroscopic
Solubility
Insoluble in water, but soluble in dilute acid.

Applications

Lanthanum(III) oxide is used as a precursor to LAMOX fast ion conductors and superconductors. It is also used in the manufacturing of optical glasses, piezoelectric and thermoelectric material. It is also useful for X-ray imaging intensifying screens, phosphors as well as dielectric and conductive ceramics. In addition, it is used as a catalyst to effect certain organic transformations. It is one of the active ingredients and finds application in thermoelectric and piezoelectric materials.

Notes

Hygroscopic and moisture sensitive. Incompatible with mineral acids and oxidizing agents. It can convert into lanthanum hydroxide by absorbing moisture.

Literature References

Derk, A. R.; Li, B.; Sharma, S.; Moore, G. M.; McFarland, E. W.; Metiu, H. Methane Oxidation by Lanthanum Oxide Doped with Cu, Zn, Mg, Fe, Nb, Ti, Zr, or Ta: The Connection Between the Activation Energy and the Energy of Oxygen-Vacancy Formation. Catal. Lett. 2013, 143 (5), 406-410.

Hatano, M.; Kamiya, S.; Ishihara, K. In situ generated “lanthanum(III) nitrate alkoxide” as a highly active and nearly neutral transesterification catalyst. Chem. Commun. 2012, 48 (76), 9465-9467.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,5363
Harmonized Tariff Code
2846.90
TSCA
Yes

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