Lanthanum(III) oxide, REacton™, 99.999% (REO)

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. 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.

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.

Specifications

Chemical Identifiers

• CAS: 1312-81-8
• Molecular Formula: La₂O₃
• MDL Number: MFCD00011071

• Boiling Point: 4200°C
• Melting Point: 2307°C
• Physical Form: Powder
• Quantity: 1 kg
• Assay Percent Range: 99.999% (REO)
• Merck Index: 14,5363
• Solubility Information: Insoluble in water. Soluble in dilute acid.
• Formula Weight: 325.82
• Percent Purity: 99.999%
• Grade: Reacton™
• Odor: Odorless
• Sensitivity: Hygroscopic
• Density: 6.51 g/mL
• Assay: (REO)
• Chemical Name or Material: Lanthanum(III) oxide

Safety and Handling

Hazard Category	Warning
Hazard Statement	GHS H Statement H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statement	GHS P Statement P261-P280-P305+P351+P338-P304+P340-P405-P501a Avoid breathing dust/fume/gas/mist/vapors/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. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.
EINECSNumber	215-200-5
RTECSNumber	OE5330000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only