Description

Lanthanum Oxide CAS NO 12680-02-3 is a high-purity inorganic compound, a white amorphous powder that is a key source of lanthanum metal and its compounds. This material is essential for producing specialty glasses, high-refractive-index optical components, and advanced catalysts. It is a critical raw material for manufacturers and researchers in the electronics, optics, catalysis, and ceramic industries seeking consistent quality and reliable supply.

Application

• Optical Glass & Fiber Optics: A vital component for manufacturing high-refractive-index, low-dispersion optical glasses and laser glasses.
• Catalysts & Petroleum Refining: Used in fluid catalytic cracking (FCC) catalysts to improve gasoline yield and in automotive exhaust catalysts.
• Advanced Ceramics & Electronics: A key dopant and additive in piezoelectric materials, capacitors (MLCCs), and other electronic ceramics.
• Phosphors & Lighting: Serves as a host lattice or activator in phosphors for LEDs, fluorescent lamps, and X-ray intensifying screens.
• Specialty Alloys & Metallurgy: Used as an additive in specialty steels and magnesium alloys to enhance properties like ductility and creep resistance.
• Chemical Synthesis & Research: Acts as a starting material for synthesizing other lanthanum salts and compounds for laboratory and industrial use.
• Water Treatment & Environmental: Employed in adsorbents for phosphate removal from wastewater.

Basic Information

Product Name	Lanthanum Oxide
CAS No.	12680-02-3
Molecular Formula	La2O3
Molecular Weight	325.81 g/mol
Synonyms	Lanthanum(III) oxide; Lanthana; Dilanthanum trioxide; Lanthanum sesquioxide; C.I. 77886; Lansil; Lanthanum oxide (La2O3)
EINECS	235-757-9

Quality Control

Our Lanthanum Oxide is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, particle size, and trace metal content. Certificates of Analysis (COA) are provided with every shipment, detailing the results against agreed parameters. We can support compliance with various industrial and research-grade standards.

Storage

Preserve in a tightly closed container, protected from light. This product is hygroscopic (moisture-sensitive) and must be stored in a cool, dry place at room temperature (15-25°C). Minimize exposure to air and moisture to prevent caking and degradation of quality. Store away from incompatible materials such as strong acids.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (La2O3)	≥ 99.9% (99.99% available)
Loss on Ignition	≤ 2.0%
Particle Size (D50)	Customizable (e.g., 1-5 µm)
Trace Rare Earth Impurities	≤ 0.1% total
Specific Surface Area	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.