Description

Dicerium Dizirconium Heptaoxide is a high-purity, mixed metal oxide compound with the chemical formula Ce2Zr2O7. This material is valued for its exceptional thermal stability and catalytic properties, making it a critical component in advanced industrial processes. It is primarily utilized in the automotive, chemical synthesis, and advanced ceramics sectors where high-performance materials are required.

Application

• Automotive Catalysts: A key component in three-way catalysts (TWCs) and diesel oxidation catalysts (DOCs) for exhaust gas purification, helping to reduce NOx, CO, and hydrocarbon emissions.
• Chemical Process Catalysis: Serves as a catalyst or catalyst support in various organic synthesis and petrochemical reforming reactions due to its oxygen storage capacity and redox properties.
• Solid Oxide Fuel Cells (SOFCs): Used as an electrolyte or component in intermediate-temperature SOFCs because of its ionic conductivity and stability.
• Thermal Barrier Coatings (TBCs): Employed in high-temperature protective coatings for turbine blades and engine components in aerospace and power generation industries.
• Advanced Ceramics: A precursor material for producing high-performance structural ceramics and ceramic pigments with enhanced durability.
• Oxygen Sensors: A functional material in lambda sensors and other gas sensing devices for monitoring and controlling combustion processes.
• Phosphors and Optoelectronics: Potential use in phosphor host materials and other optical applications due to its crystal structure.

Basic Information

Product Name	Dicerium Dizirconium Heptaoxide
CAS No.	12157-80-1
Molecular Formula	Ce2Zr2O7
Molecular Weight	522.57 g/mol
Synonyms	Cerium Zirconium Oxide (Ce2Zr2O7); Dicerium Dizirconium Heptaoxide; Cerium Zirconate; Ceria-Zirconia Mixed Oxide; CeZrO4 (pyrochlore phase); Zirconium Cerium Oxide; Cerium Zirconium Pyrochlore; (Zirconium,Cerium) Oxide
EINECS	Contact for details

Quality Control

Our Dicerium Dizirconium Heptaoxide is manufactured under a strict quality management system. Each batch undergoes rigorous testing for chemical composition, phase purity, particle size distribution, and specific surface area to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep the container sealed to prevent moisture absorption and contamination from atmospheric dust. Store away from incompatible materials.

Specification

Item	Specification
Appearance	White to pale yellow powder
Assay (as Ce2Zr2O7)	≥ 99.0%
Phase Purity (Pyrochlore)	≥ 95%
CeO2 Content	~50 mol%
ZrO2 Content	~50 mol%
Specific Surface Area (BET)	20 - 100 m²/g
Average Particle Size (D50)	0.5 - 10.0 µm
Loss on Ignition (LOI)	≤ 2.0%
Heavy Metals (as Pb)	≤ 50 ppm

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