Caesium carbonate (Cs₂CO₃), with the CAS number 534 - 17 - 8, is an inorganic compound. It is a white crystalline powder under normal conditions. Caesium carbonate has a molar mass of approximately 325.82 g/mol. It is highly soluble in water, and the resulting solution is alkaline due to the hydrolysis of carbonate ions. The compound is hygroscopic, which means it can absorb moisture from the air. This property requires special storage conditions to prevent degradation. Caesium carbonate is produced through the reaction of caesium hydroxide with carbon dioxide. Our factory offers high - quality caesium carbonate at the best price, ensuring high purity and stable quality.
Caesium carbonate has a wide range of applications in various industries. In the field of organic synthesis, it is often used as a base. Its high basicity and good solubility in many organic solvents make it an excellent choice for promoting reactions such as alkylation, arylation, and condensation reactions. It can also be used in the preparation of caesium - containing catalysts, which are used in some chemical reactions to improve reaction efficiency and selectivity. In the electronics industry, caesium carbonate is used in the manufacture of special glass. Adding caesium carbonate can change the refractive index and other optical properties of glass, making it suitable for use in high - performance optical devices. Additionally, it has potential applications in the field of energy storage, such as in the preparation of certain types of batteries.
When using caesium carbonate, proper safety precautions should be taken. Wear appropriate personal protective equipment, including gloves and goggles, to prevent direct contact with the skin and eyes. Since it is hygroscopic, it should be stored in a dry and sealed container. When using it in a laboratory setting, accurately weigh the required amount according to the reaction formula. In organic synthesis reactions, add it slowly to the reaction mixture under stirring conditions to ensure uniform mixing and avoid sudden heat release or side reactions. After use, clean the equipment thoroughly to prevent residual caesium carbonate from affecting subsequent experiments.
Case 1: Organic Synthesis - Alkylation Reaction
In a pharmaceutical research project, researchers were trying to synthesize a new drug molecule through an alkylation reaction. They used caesium carbonate as a base to deprotonate the reactant. By adding caesium carbonate to the reaction mixture of an alcohol and an alkyl halide in an appropriate organic solvent, the reaction proceeded smoothly at a relatively low temperature. The high basicity of caesium carbonate effectively promoted the reaction, and the yield of the target product reached over 80%, which was much higher than when using other common bases such as potassium carbonate.
Case 2: Glass Manufacturing
A glass - making company was developing a new type of high - refractive - index glass for use in camera lenses. They added a certain amount of caesium carbonate to the glass - making batch. After melting and forming, the resulting glass had a significantly higher refractive index compared to traditional glass. This improvement in optical properties made the glass more suitable for high - performance camera lenses, and the company was able to produce lenses with better imaging quality.
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