Description

Erbium Oxide (CAS NO 12645-29-3) is a high-purity rare earth compound essential for advanced materials and optical technologies. It serves as a critical precursor for producing specialty glasses, ceramics, and phosphors with unique photonic properties. This material is vital for manufacturers and researchers in the electronics, fiber optics, and nuclear industries seeking precise control over material characteristics.

Application

• Optical Amplifiers & Fiber Optics: A key dopant for erbium-doped fiber amplifiers (EDFAs) in telecommunications.
• Specialty Glass & Ceramics: Imparts a distinctive pink color and modifies refractive index for lenses, filters, and laser host materials.
• Phosphors & Upconversion Materials: Used in display technologies, security inks, and biomedical imaging probes.
• Nuclear Industry: Acts as a neutron-absorbing material in control rods and shielding applications.
• Catalysts: Employed as a catalyst or catalyst component in certain organic synthesis and petroleum refining processes.
• Electronic Ceramics: A component in multilayer ceramic capacitors (MLCCs) and other electronic components.
• Research & Development: Serves as a starting material for synthesizing other erbium compounds and advanced material research.

Basic Information

Item	Details
Product Name	Erbium Oxide
CAS No.	12645-29-3
Molecular Formula	Er₂O₃
Molecular Weight	382.56 g/mol
Synonyms	Erbia; Di-erbium trioxide; Erbium(III) oxide; Erbium sesquioxide; Erbium trioxide; Erbium oxide (Er2O3); Rare earth oxide; REO
EINECS	235-045-7

Quality Control

Our Erbium Oxide is produced under a stringent quality management system. Each batch undergoes comprehensive analysis to ensure it meets precise chemical and physical specifications, including purity, particle size, and trace metal content. Certificates of Analysis (COA) detailing lot-specific results are provided to guarantee consistency and compliance with your technical requirements.

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); keep the container tightly sealed to prevent absorption of atmospheric moisture and carbon dioxide.

Specification

Item	Specification
Appearance	Pink powder
Identification (IR)	Conforms
Assay (Er₂O₃)	≥ 99.9% (3N), 99.99% (4N), 99.999% (5N)
Particle Size (D50)	1-5 µm (or as specified)
Loss on Ignition (LOI)	≤ 1.0%
Rare Earth Impurities	< 100 ppm total
Non-Rare Earth Impurities (Fe, Ca, etc.)	< 50 ppm total

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