Lanthanum(III) oxide, REacton™, 99.9% (REO), Thermo Scientific Chemicals

Product Code	Brand	Quantity
11366348	Thermo Scientific Alfa Aesar 011272.22	100 g
11376348	Thermo Scientific Alfa Aesar 011272.36	500 g

Description

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
• CAS: 1312-81-8
• Physical Form: Powder
• Molecular Formula: La₂O₃
• Synonym: Lanthanum trioxide, Lanthanum sesquioxide
• Formula Weight: 325.82
• Sensitivity: Hygroscopic
• Density: 6.51 g/cm³ at 20°C

• Melting Point: 2307°C
• Color: White
• Assay Percent Range: 99.9% (REO)
• MDL Number: MFCD00011071
• Solubility Information: Insoluble in water but soluble in dilute acid.
• Odor: Odorless
• Appearance: White powder/lump
• Chemical Name or Material: Lanthanum(III) oxide

Safety and Handling

H315-H319-H335: Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

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Recommended Storage : Ambient temperatures

RUO – Research Use Only