Description

Europium Oxide (CAS NO 12770-85-3) is a critical rare earth compound prized for its exceptional luminescent and neutron-absorbing properties. This high-purity inorganic material serves as a fundamental precursor in advanced optical and electronic applications, where consistent quality and reliable supply are paramount. It is essential for manufacturers and researchers in the phosphor, nuclear, and specialty glass industries seeking to enhance product performance and innovation.

Application

• Phosphor Manufacturing: A key red-emitting dopant for CRT screens, fluorescent lamps, LED phosphors, and plasma display panels (PDPs).
• Nuclear Industry: Utilized as a neutron absorber in control rods and shielding materials due to its high neutron capture cross-section.
• Specialty Glass & Ceramics: Imparts specific optical properties and color effects to glasses and is used in fine ceramics.
• Research & Development: Serves as a starting material for synthesizing other europium salts and compounds in academic and industrial labs.
• Anti-Counterfeiting: Employed in security inks and markers for banknotes and documents, leveraging its unique fluorescence.
• Catalysis: Acts as a catalyst or catalyst component in certain organic synthesis and petroleum refining processes.

Basic Information

Product Name	Europium Oxide
CAS No.	12770-85-3
Molecular Formula	Eu2O3
Molecular Weight	351.926 g/mol
Synonyms	Europium(III) oxide; Europia; Di-europium trioxide; Europium sesquioxide; Europic oxide; EINECS 235-826-9; REO (Rare Earth Oxide)
EINECS	235-826-9

Quality Control

Our Europium Oxide is produced and tested under stringent quality management protocols to ensure batch-to-batch consistency and high chemical purity. We provide comprehensive Certificates of Analysis (COA) detailing key parameters such as assay, rare earth purity, and trace metal content. Our quality systems are designed to meet the rigorous demands of advanced material supply chains, supporting compliance with relevant industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent absorption of water and CO2 from the air. For long-term storage, consider using desiccants or an inert atmosphere.

Specification

Item	Specification
Appearance	White to pale pink powder
Assay (Eu2O3)	≥ 99.9% (3N), 99.99% (4N), 99.999% (5N) available
Rare Earth Purity (REO)	≥ 99.99%
Identification (XRD)	Conforms to standard
Loss on Ignition (LOI)	≤ 1.0%
Particle Size (D50)	Customizable (e.g., 1-5 µm)
Trace Metals (ICP-MS)	As per customer grade requirement

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