Description

Holmium Oxide (CAS NO 12055-62-8) is a high-purity rare earth compound essential for advanced optical and electronic applications. Its unique spectral properties make it a critical component in specialized manufacturing processes. This material is primarily utilized by industries involved in glass coloring, solid-state laser production, and nuclear reactor control rod fabrication.

Application

• Optical Glass & Filters: As a dopant for specialized yellow and red glass coloring and for creating sharp band-pass optical filters.
• Solid-State Lasers: A key active medium (dopant in YAG crystals) for generating laser light at specific wavelengths (e.g., ~2.1 µm).
• Nuclear Industry: Used in control rods for nuclear reactors due to its high neutron absorption cross-section.
• Phosphors & Catalysts: Employed in the synthesis of phosphors for specific lighting applications and as a catalyst in certain organic reactions.
• Electronic Ceramics: A component in the production of specialized capacitors and other electronic ceramics.
• Research & Development: Serves as a starting material for synthesizing other holmium compounds and in academic/industrial R&D.

Basic Information

Product Name	Holmium Oxide
CAS No.	12055-62-8
Molecular Formula	Ho2O3
Molecular Weight	377.86 g/mol
Synonyms	Holmium(III) oxide; Holmia; Holmium sesquioxide; Diholmium trioxide; Holmium trioxide; Rare earth oxide; RE oxide; RE-O
EINECS	235-015-3

Quality Control

Our Holmium Oxide is produced under a rigorous quality management system. Each batch undergoes comprehensive analysis to ensure it meets high-purity standards, typically ranging from 99.9% to 99.999% (3N to 5N). A Certificate of Analysis (COA) detailing purity, trace metal impurities, and physical characteristics is provided with every shipment to guarantee consistency and reliability for your critical 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). The product is hygroscopic (moisture-sensitive) and should be kept in a desiccated environment to prevent caking and degradation.

Specification

Item	Specification
Appearance	Yellowish to brownish powder
Identification (IR)	Conforms
Assay (Ho2O3)	≥ 99.9%
Purity (REO)	≥ 99.99%
Loss on Ignition	≤ 1.0%
Chloride (Cl)	≤ 50 ppm
Sulfate (SO4)	≤ 50 ppm
Fe, Ca, Ni, Cu (each)	≤ 10 ppm
Particle Size (D50)	1-5 µm (customizable)

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