Description

Holmium Oxide (CAS NO 39455-61-3) is a high-purity rare earth compound essential for advanced technological and research applications. Its unique optical and magnetic properties make it a critical component in specialized manufacturing. This material is primarily utilized in the electronics, optics, and nuclear industries for its exceptional performance characteristics.

Application

• Optical Glass & Laser Crystals: A key dopant for producing specialized yellow glass filters and solid-state laser crystals (e.g., YAG) due to its sharp absorption bands.
• Nuclear Industry: Used as a neutron absorber in nuclear reactor control rods because of its high neutron capture cross-section.
• Phosphors & Colorants: Employed in the formulation of phosphors for color television tubes and as a colorant for cubic zirconia and specialty glasses.
• Chemical Research Catalyst: Acts as a catalyst in specific organic synthesis and petroleum cracking reactions.
• Calibration Standards: Serves as a standard for calibrating spectrophotometers and other optical equipment.
• Magnetic & Electronic Materials: Used in the research and development of high-strength magnets and other electronic ceramics.

Basic Information

Product Name	Holmium Oxide
CAS No.	39455-61-3
Molecular Formula	Ho2O3
Molecular Weight	377.86 g/mol
Synonyms	Holmium(III) oxide; Holmia; Holmium sesquioxide; Diholmium trioxide; Holmium trioxide; Rare earth oxide; REO; Holmium oxide (Ho2O3)
EINECS	254-476-7

Quality Control

Our Holmium Oxide is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) detailing purity, trace metal analysis, and physical specifications. Our quality protocols are designed to meet the rigorous demands of research and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. The product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent caking and degradation.

Specification

Item	Specification
Appearance	Yellowish to brown powder
Identification (IR)	Conforms
Assay (as Ho2O3)	≥ 99.9% (3N), 99.99% (4N), 99.999% (5N)
Rare Earth Purity (REO)	≥ 99.5%
Loss on Ignition	≤ 1.0%
Particle Size (D50)	Customizable (e.g., 1-5 µm)
Specific Surface Area	Contact for details

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