Description

Cesium Carbonate CAS NO 534-17-8 is a high-purity inorganic salt of cesium, a critical alkali metal. This compound is valued for its strong basicity and unique catalytic properties in specialized organic synthesis. It is an essential precursor and reagent for manufacturers in the electronics, pharmaceutical, and specialty glass industries, where consistent quality and reliable supply are paramount.

Application

• Catalysis in Organic Synthesis: A highly effective base catalyst for reactions such as Knoevenagel condensations, Michael additions, and the synthesis of fine chemicals and pharmaceutical intermediates.
• Electronics Manufacturing: Used in the production of specialty glasses and optical fibers, and as a precursor for cesium salts in piezoelectric crystals and scintillation counters.
• Specialty Glass & Ceramics: Acts as a flux to lower melting points and modify the refractive index and electrical conductivity of high-performance glass formulations.
• Chemical Vapor Deposition (CVD): Serves as a source material for depositing cesium-containing films in advanced semiconductor and coating technologies.
• Research & Development: A key reagent in academic and industrial R&D labs for exploring new synthetic pathways and material properties.
• Carbon Dioxide Absorption: Investigated for use in carbon capture technologies due to its reactivity with CO2.

Basic Information

Item	Detail
Product Name	Cesium Carbonate
CAS No.	534-17-8
Molecular Formula	Cs2CO3
Molecular Weight	325.82 g/mol
Synonyms	Dicesium carbonate; Carbonic acid, dicesium salt; Cesium carbonate (1:2); Cesium carbonate, ultra dry; Cesium monocarbonate
EINECS	208-591-9

Quality Control

Our Cesium Carbonate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for demanding applications in catalysis and electronics. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can affect product performance. Keep away from incompatible materials such as strong acids.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (Cs2CO3)	≥ 99.0%
Purity (by ICP)	≥ 99.9% (metals basis)
Loss on Drying	≤ 1.0 %
Insoluble Matter	≤ 0.01 %
Chloride (Cl)	≤ 0.001 %
Sulfate (SO4)	≤ 0.002 %
Heavy Metals (as Pb)	≤ 0.001 %

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