Cesium carbonate

April 2, 2026

🌿 Cesium carbonate (CAS: 534-17-8)

🔬 Product Overview

As demand for high-performance materials and complex organic synthesis continues to grow, cesium carbonate (Cs₂CO₃) has become an increasingly important reagent in both industrial production and research applications. Known for its strong basicity, excellent solubility, and superior catalytic performance, cesium carbonate is widely recognized as a premium choice for high-value chemical processes.

📊 Specifications

Test Item	Unit	Result
Cs₂CO₃	%	> 99.5
Li	%	0.0001
Na	%	0.0005
K	%	0.002
Rb	%	0.021
Ca	%	0.0002
Mg	%	0.0001
Fe	%	0.0001
Al	%	0.0001
SiO₂	%	0.0011
Pb	%	0.0001

🧩 Applications

🔹 1. Pharmaceutical Industry

Used as a key base in the synthesis of APIs and intermediates, supporting complex molecular construction

🔹 2. Organic Synthesis

Highly effective in cross-coupling reactions such as Suzuki, Heck, and Ullmann reactions

🔹 3. Electronic Materials

Applied in the preparation of OLED materials, perovskites, and other functional materials

🔹 4. Fine Chemicals & R&D

Preferred reagent in laboratories for its reliability and consistent performance

📦 Packaging Options

Standard packaging:
- 25 kg / drum (fiber or plastic drum with double inner polyethylene liners)
- 1 kg or 5 kg / bag (aluminum foil bag for laboratory or small-scale use)
Customized packaging:
- Available upon request based on quantity and transportation requirements
Packaging ensures excellent sealing, moisture protection, and safe handling during transportation and storage

🏭 Storage Conditions

- A dry and well-sealed environment
- Away from moisture and air exposure
- Under inert gas protection for long-term storage if necessary
Proper storage ensures product stability and maintains its high reactivity.

📢 Why Choose Cesium Carbonate?

Compared with conventional inorganic bases such as potassium carbonate or sodium carbonate, cesium carbonate offers several distinct advantages:
- Stronger Basicity
  
  Enables higher reaction efficiency and improved conversion rates, especially in challenging coupling reactions
- Excellent Solubility in Organic Solvents
  
  Enhances reaction homogeneity and reduces reaction time
- High Reactivity and Selectivity
  
  Ideal for sensitive and high-precision organic synthesis processes
- Versatile Applications
  
  Suitable for pharmaceuticals, electronics, and advanced materials development