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  7. Lanthanum(III) oxide, REacton™, 99.9% (REO)

Lanthanum(III) oxide, REacton™, 99.9% (REO)

Catalog No. p-4407514
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AA1127222 100 g
AA1127236 500 g
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Catalog No. AA1127222 Supplier Thermo Scientific Chemicals Supplier No. 01127222
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Description

CAS: 1312-81-8 | La2O3

Lanthanum(III) oxide is used as a precursor to LAMOX fast ion conductors and superconductors. It is also used in the manufacture 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.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Chemical Identifiers

CAS 1312-81-8
MDL Number MFCD00011071
Synonym Lanthanum trioxide, Lanthanum sesquioxide

Specifications

Boiling Point 4200°C
Melting Point 2307°C
Color White
Physical Form Powder
Quantity 100 g
Assay Percent Range 99.9% (REO)
Molecular Formula La2O3
Solubility Information Insoluble in water but soluble in dilute acid.
Formula Weight 325.82
Odor Odorless
Sensitivity Hygroscopic
Appearance White powder/lump
Density 6.51 g/cm3 at 20°C
Chemical Name or Material Lanthanum(III) oxide
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Safety and Handling

Hazard Category H315-H319-H335: Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
EINECSNumber 215-200-5
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only