Yttrium Carbonate (Y₂(CO₃)₃) – High Purity Rare Earth Carbonate Precursor Material
Product Overview
Yttrium Carbonate, also known as Yttrium(III) Carbonate, is a high-purity, stable inorganic rare earth carbonate compound with the chemical formula Y₂(CO₃)₃. It is commonly supplied as hydrated crystalline powder with excellent chemical stability, moderate reactivity and ultra-high calcination conversion rate. As one of the most widely used upstream precursor materials in the yttrium series, Yttrium Carbonate features low impurity residue, uniform particle distribution and good sintering performance. It serves as an essential raw material for preparing high-purity yttrium oxide, yttrium salts, luminescent phosphors, advanced ceramics and rare earth catalysts, supporting mass production and high-end scientific research in global rare earth deep-processing industries.
Basic Product Information
CAS Number: 38245-39-5 Molecular Formula: Y₂(CO₃)₃ (Hydrated type: Y₂(CO₃)₃·xH₂O) Molecular Weight: 357.84 (anhydrous) Appearance: White fine crystalline powder Purity Grades: 99%, 99.9%, 99.99% (4N), 99.999% (5N) high purity REO Content: ≥35% (standard industrial grade) Solubility: Insoluble in water and ethanol, soluble in dilute inorganic acids Core Characteristics: Stable room-temperature structure, low moisture absorption, high calcination activity, easy purification, low heavy metal impurities
Production Features
Our high-purity Yttrium Carbonate is produced through precise solution precipitation, gradient impurity removal, low-temperature crystallization and vacuum drying processes. The product boasts uniform crystal morphology, loose powder texture and extremely low trace metal and heterogeneous rare earth impurities. Strict multi-stage quality control is adopted throughout production to ensure stable batch consistency, effectively avoiding agglomeration and component deviation. It fully meets the high-standard precursor requirements for high-purity oxide conversion, optoelectronic material synthesis and precision ceramic modification.
Core Physical and Chemical Properties
Structural and Thermal Properties
Yttrium Carbonate possesses excellent structural stability under normal temperature and sealed storage conditions, with no spontaneous decomposition or deterioration. Its most prominent advantage is controllable thermal decomposition performance. During high-temperature calcination, it can steadily decompose and completely convert into high-purity yttrium oxide (Y₂O₃) without residual carbon impurities or lattice defects. The decomposition process is mild and uniform, which effectively ensures high purity, high density and stable performance of downstream oxide products. Compared with other yttrium precursors, it features lower calcination temperature threshold and higher conversion efficiency, more suitable for industrial continuous production.
Chemical and Reaction Properties
Chemically, Yttrium Carbonate shows stable and moderate reaction activity. It is insoluble in water and organic solvents, which facilitates long-term storage and transportation without component change. It can rapidly and completely react with dilute nitric acid, hydrochloric acid and other inorganic acids to generate corresponding high-purity yttrium salt solutions, supporting the customized synthesis of various yttrium derivatives. The product has excellent anti-carbonation performance and low hygroscopicity, maintaining stable chemical composition in conventional processing environments and effectively reducing impurity introduction during material preparation.
Main Industrial Applications
Application Scope
High-purity Yttrium Carbonate is a fundamental and versatile rare earth intermediate material, widely covering optoelectronic luminescence, advanced ceramics, chemical catalysis, new energy and metallurgical modification fields. Its core application scenarios are as follows:
1. Precursor for High-Purity Yttrium Oxide
It is the most cost-effective and high-efficiency precursor for industrial mass production of high-purity Yttrium Oxide. After precise calcination and decomposition, Yttrium Carbonate can produce ultra-high purity Y₂O₃ with uniform particle size and low defect rate. The finished oxide is widely used for yttrium-stabilized zirconia (YSZ) ceramics, YAG laser crystals and optical coating materials, ensuring excellent batch stability of high-end functional materials.
2. Rare Earth Phosphor & Optoelectronic Materials
Yttrium Carbonate is an ideal raw material for preparing tri-color rare earth phosphors and long-afterglow luminescent materials. It can achieve uniform ion doping in solution synthesis, effectively improving luminous efficiency, color rendering performance and anti-aging ability of phosphor products. It is widely applied in LED lighting, display screens, fluorescent devices and luminescent coating manufacturing, optimizing the service life and optical performance of optoelectronic equipment.
3. Advanced Ceramic & Electronic Ceramic Modifier
The product acts as a high-quality sintering aid and performance modifier for structural ceramics and dielectric ceramics. It can effectively reduce ceramic sintering temperature, improve material compactness, mechanical toughness and wear resistance, and optimize dielectric stability and high-temperature resistance. It is commonly used in precision electronic ceramic components, high-temperature resistant structural ceramics and aerospace ceramic accessories.
4. Rare Earth Catalyst & Chemical Additives
Yttrium Carbonate can be processed into high-activity rare earth composite catalysts, widely used in petrochemical refining, organic synthesis and environmental gas purification. It provides stable yttrium active sites, improving catalytic reaction efficiency and selectivity. Meanwhile, it serves as a functional additive for glass and enamel materials to enhance surface gloss, thermal stability and mechanical strength.
5. Alloy Modification & New Energy Materials
In the metallurgical industry, Yttrium Carbonate is used as a rare earth modifier for aluminum, magnesium and high-temperature alloys to refine grain structure, purify internal micro-impurities and enhance alloy strength, corrosion resistance and high-temperature oxidation resistance. In the new energy field, it is applied for electrode material modification to optimize structural stability and improve battery cycle life and safety performance.
Technical Reference Data
The following technical parameters are tested under standard laboratory conditions (25°C, 1 atm), serving as reliable references for industrial formulation design, material selection and production process verification:
- Calcination Conversion Temperature: 700–900°C (fully converted to Y₂O₃)
- Bulk Density: 0.6–0.9 g/cm³
- D50 Particle Size: 2–10 μm (customizable)
- Loss on Ignition (LOI): ≤28.0%
- Moisture Content: ≤0.2%
- Total Rare Earth Purity (Y₂O₃/TREO): ≥99.9%–99.999%
- Water Insoluble Matter: ≤0.01%
- Heavy Metal Impurity Content: ≤0.0005%
Product Advantages
- High Conversion Purity: Ultra-low trace impurities and carbon residue, complete calcination conversion, ensuring high-purity finished yttrium oxide and derivative materials.
- Stable Chemical Activity: Moderate and controllable reaction activity, excellent acid solubility, suitable for large-scale industrial synthesis and customized material preparation.
- Uniform Powder Morphology: Loose powder, uniform particle size, low agglomeration rate, stable physical and chemical properties for each batch.
- Excellent Storage Stability: Low hygroscopicity and anti-carbonation ability, not easy to deteriorate during long-term sealed storage and transportation.
- Flexible Customization: Support customized purity, particle size and moisture indicators, with complete technical documents and global after-sales support.
Packaging & Storage Instructions
Standard Packaging: Moisture-proof vacuum sealed packaging (1kg/bag), waterproof plastic drum packaging (25kg/drum), customized packaging specifications are available on request. Storage Conditions: Store in a dry, cool and ventilated dust-free warehouse. Keep tightly sealed at all times to prevent moisture absorption and air carbonation. Avoid contact with strong acids, strong alkalis and oxidizing substances. Low-humidity environment is required for long-term storage to maintain product stability and activity.
Conclusion
Product Summary
Yttrium Carbonate (Y₂(CO₃)₃) is a foundational and high-value rare earth intermediate material in the yttrium series industry chain. Benefiting from its stable chemical performance, high calcination conversion rate and ultra-low impurity characteristics, it plays an irreplaceable core role in the preparation of high-purity yttrium oxide, optoelectronic phosphors, advanced ceramics and rare earth catalysts. We supply high-quality Yttrium Carbonate with stable global supply capacity, strict quality control and competitive pricing, providing standardized and customized rare earth material solutions for industrial manufacturers and scientific research institutions worldwide.
TDS
