
Cesium Carbonate
CAS: 534-17-8
Origin: China
Nanjing Chem Co.,Ltd. is a China-based supplier and exporter of Cesium Carbonate product, chemical products. Cesium Carbonate is widely used in catalyst additive.
Product Introduction
Cesium Carbonate | High Purity Cesium Carbonate Powder|CAS 534-17-8
1. Product Introduction
Cesium Carbonate is an inorganic cesium salt with the chemical formula Cs₂CO₃ and CAS number 534-17-8. It appears as a white crystalline powder or granular solid at room temperature, featuring extremely high water solubility, excellent alcohol solubility and strong deliquescence. Different from ordinary alkali metal carbonates, cesium carbonate possesses high chemical activity, weak alkalinity and stable thermal performance, making it an indispensable high-purity fine chemical raw material in advanced industrial and scientific fields.
As a core cesium-based compound, high-purity Cesium Carbonate serves as a fundamental precursor for manufacturing various cesium salts, optical glass, ceramic materials and chemical catalysts. It exhibits superior catalytic efficiency, low-temperature activity and non-toxic characteristics, widely applied in organic synthesis catalysis, new energy materials, electronic industry, optical glass manufacturing and pharmaceutical intermediate synthesis. Our industrial and high-purity grade Cesium Carbonate features low impurity content, stable batch consistency and excellent deliquescence resistance, enjoying high recognition among global high-end industrial buyers.
2. Product Specifications
| Test Item | Standard Specification | Test Condition / Method |
| Chemical Name | Cesium Carbonate | – |
| CAS No. | 534-17-8 | – |
| Molecular Formula | Cs₂CO₃ | – |
| Appearance | White crystalline powder / granule | Visual Inspection |
| Purity (Cs₂CO₃) | ≥99.0% / ≥99.9% (High Purity Grade) | ICP / Titration Test |
| Density (g/cm³) | 4.07 | 25℃ |
| Melting Point | 610℃ (Decomposes) | Thermal Analysis |
| Water Solubility | Easily soluble in water and ethanol | Solubility Test |
| Heavy Metal (Pb) | ≤0.001% | ICP Test |
| Moisture Content | ≤0.1% | Karl Fischer Method |
3. Product Features & Applications
Core Product Features
- Ultra-high solubility & excellent solubility adaptability: Cesium Carbonate is extremely soluble in water and ethanol, with fast dissolution speed and no insoluble residues. It can be fully adapted to various liquid-phase reaction systems and solution preparation processes, improving production efficiency.
- High catalytic activity & selectivity: As an efficient alkali catalyst, it features mild reaction conditions, high reaction yield and low side reaction rate. It is far superior to traditional potassium carbonate and sodium carbonate in organic synthesis reactions, effectively reducing production energy consumption.
- Low impurity & high stability: Our premium-grade cesium carbonate strictly controls heavy metal and trace impurity content, with stable chemical properties, non-toxic and environmentally friendly. It does not deteriorate easily under sealed storage conditions, ensuring consistent application effects.
- Unique thermal decomposition performance: It decomposes stably at high temperature without generating harmful substances, suitable for high-temperature sintering of optical materials and ceramic substrates, optimizing material compactness and optical performance.
- Strong industrial universality: It can be used as raw material for deep processing of various cesium salts, with wide compatibility in new energy, electronics, pharmaceutical and new material industries, supporting diversified industrial formula upgrades.
Main Application Fields
- Organic Synthesis Catalysis: Widely used as a high-efficiency green catalyst in pharmaceutical intermediate synthesis, fine organic chemical reactions and coupling reactions. It replaces traditional strong alkali catalysts to improve product purity and reaction efficiency, reduce waste discharge.
- Optical Glass & Ceramic Industry: Used as a key additive for high-refractive optical glass, special ceramic substrates and piezoelectric ceramics. It improves glass light transmittance, thermal stability and ceramic compactness, widely applied in optical instruments and electronic ceramic components.
- New Energy & Electronic Materials: Applied in the preparation of cesium-containing electrolyte materials, semiconductor auxiliary materials and photoelectric device materials. It effectively enhances the stability and service life of new energy batteries and photoelectric components.
- Fine Chemical & Cesium Salt Raw Material: Serves as the core raw material for preparing cesium chloride, cesium nitrate, cesium sulfate and other high-purity cesium series products, supporting the deep processing and industrial iteration of rare alkali metal compounds.
- Laboratory & Scientific Research: Used as analytical reagent, high-purity chemical standard sample and experimental catalyst in university laboratories and scientific research institutions, meeting high-precision experimental and R&D requirements.
4. Packaging, Storage & International Sea Shipping
Packaging Standard
Standard export package: 25kg sealed plastic drum / 25kg aluminum foil bag with inner vacuum packaging. Customized 1kg, 5kg small sample packages and ton drum packages are available upon customer request. All packages adopt professional vacuum sealing and moisture-proof treatment, effectively isolating air and moisture to prevent deliquescence, fully compliant with international long-distance sea transportation standards.
Storage Requirements
Store Cesium Carbonate in a cool, dry, ventilated and dust-free warehouse. Strictly keep away from moisture, rainwater, high-temperature heat sources, strong acids and humid air to avoid deliquescence and chemical deterioration. Always keep packages tightly sealed during storage and use. The valid shelf life is 12 months under standard sealed storage conditions. Re-test the purity and impurity indicators before use for expired products; only qualified products can be used.
International Shipping & Hazard Classification
Hazardous Goods Confirmation: Cesium Carbonate is non-dangerous goods for international sea, air and land transportation
UN Number: No UN number required
Hazard Grade: Non-hazardous general fine chemical
Shipping Notes: Although classified as non-dangerous goods, moisture-proof and sealing protection must be strengthened during transportation. Avoid long-term humid environment stacking, direct rain soaking and package damage. We provide complete export documents including MSDS, COA, test reports and certificate of origin to support fast and smooth global customs clearance.
5. Company Introduction & Production Strength
Founded in 2001, our company is a professional high-tech manufacturer and reliable global exporter of rare alkali metal chemicals and fine chemical products in China. We own a standardized modern chemical production base covering 100 acres, equipped with 5 full-automatic professional production lines dedicated to cesium series, rubidium series and fine chemical products. With mature and stable production technology, strict hierarchical purification process and sufficient daily output, we can flexibly support small trial orders and large-batch full-container orders to meet diversified high-standard procurement demands of global industrial and scientific research customers.
We attach great importance to independent technological R&D and innovation. Professional R&D engineers and senior laboratory testing technicians account for more than 20% of our total employees. Our R&D team focuses on core technical research and upgrading of Cesium Carbonate and all series of rare metal chemical products, including independent optimization of purification production processes, development of high-precision trace impurity detection methods, high-purity product formula upgrading, and full-process environmental protection treatment technology for industrial waste gas, wastewater and solid waste, ensuring ultra-stable product quality and full environmental compliance.
Our factory has obtained official ISO9001 International Quality Management System Certification and national chemical production license, with complete production qualifications and standardized quality control system. We implement strict raw material purification inspection, in-process production monitoring and batch finished product full-index testing for every shipment of Cesium Carbonate, providing high-purity, low-impurity and stable-performance products. With more than 20 years of export experience, our fine chemical products are exported to Southeast Asia, Middle East, Europe, North America and other global markets, winning long-term trust and recognition from high-end industrial buyers and scientific research institutions.
6. FAQ
Q1: What is Cesium Carbonate?
A1: Cesium Carbonate (Cs₂CO₃, CAS 534-17-8) is a high-value rare alkali metal carbonate compound. It is a white crystalline powder with excellent water solubility, alcohol solubility and high catalytic activity. As a core fundamental material in the field of fine chemicals, it is widely used in organic synthesis catalysis, optical glass manufacturing, new energy electronic materials, ceramic modification and pharmaceutical intermediate production, and is one of the indispensable high-purity chemical raw materials in modern high-end manufacturing.
Q2: What specifications of Cesium Carbonate can you supply?
A2: We supply two mainstream stable grades: industrial grade ≥99.0% purity and high-purity grade ≥99.9% purity. Customized ultra-high purity grades and special particle size products are available according to customers’ laboratory research and industrial production requirements. For every batch of goods, we can provide complete official documents including MSDS, COA (Certificate of Analysis) and professional batch test reports to support global customs clearance and quality inspection.
Q3: What are your export trade advantages for global buyers?
A3: We provide buyer-friendly, low-risk and flexible export services for all global partners, with core advantages as follows:
- Multiple flexible payment methods: Support T/T, L/C at sight and other negotiable international payment terms to reduce customer cooperation risks.
- Free sample service: Provide free Cesium Carbonate test samples, customers only need to bear the international courier freight.
- Support trial order: Fully accept small-batch trial orders for new customers to test product quality and application effect before bulk cooperation.
- Complete document support: Provide standard English MSDS, batch COA, ISO certification, production license and full set of export clearance documents.
Q4: What is your company’s market positioning and qualification?
A4: We are one of the leading professional manufacturers and bulk suppliers of Cesium Carbonate and rare metal chemical products in China. We hold valid national chemical production licenses and authoritative ISO9001 international quality certification. Integrating independent R&D, standardized large-scale purification production and global export sales, we focus on providing high-quality, cost-effective and stable rare metal fine chemical products for industrial purchasers and scientific research institutions worldwide.
Q5: Is Cesium Carbonate dangerous goods for international sea shipment?
A5: No. Cesium Carbonate is classified as general non-dangerous fine chemical, with no hazard grade and no UN number required. The customs declaration and international transportation procedures are simple and efficient. With professional moisture-proof packaging solutions, we ensure safe and fast global delivery.



