Description

Yttrium Oxide CAS NO 11130-29-3 is a high-purity, white crystalline inorganic compound, also known as yttria, with significant industrial importance. It serves as a critical precursor and performance-enhancing additive in advanced materials due to its exceptional thermal stability and optical properties. This material is essential for manufacturers and R&D facilities in the electronics, ceramics, and phosphor industries seeking to improve product performance and durability.

Application

• Phosphors and Display Technology: A key component in the production of red phosphors for cathode ray tubes (CRTs), LEDs, and plasma display panels (PDPs).
• Advanced Ceramics and Refractories: Used to manufacture yttria-stabilized zirconia (YSZ) for thermal barrier coatings, solid oxide fuel cells (SOFCs), and high-performance cutting tools.
• Glass and Optics: Acts as a dopant to produce special glasses with high refractive index and corrosion resistance, used in camera lenses and laser host materials.
• Catalysts: Employed as a catalyst and catalyst support in petroleum refining and chemical synthesis processes.
• Electronic Materials: Used in the fabrication of superconductors, semiconductors, and other electronic ceramics.
• Additive Manufacturing: Serves as a raw material for 3D printing of high-temperature resistant ceramic components.

Basic Information

Product Name	Yttrium Oxide
CAS No.	11130-29-3
Molecular Formula	Y2O3
Molecular Weight	225.81 g/mol
Synonyms	Yttria; Diyttrium trioxide; Yttrium sesquioxide; Yttrium(3+) oxide; Yttrium(III) oxide; Y2O3; C.I. 77945
EINECS	234-364-3

Quality Control

Our Yttrium Oxide is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications, including purity, particle size distribution, and trace metal content. Certificates of Analysis (COA) are provided with every shipment to guarantee consistency, reliability, 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	White fine powder
Assay (Y2O3)	≥ 99.9% (3N), 99.99% (4N), 99.999% (5N)
Identification (IR)	Conforms
Particle Size (D50)	Customizable (e.g., 1-5 µm)
Loss on Ignition (LOI)	≤ 1.0%
Trace Rare Earth Impurities	≤ 100 ppm total
Non-Rare Earth Impurities (Fe, Ca, Si, etc.)	≤ 50 ppm total

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