Calcium trifluoromethanesulfonate
Calcium trifluoromethanesulfonate, identified by CAS number 55120-75-7 and frequently referred to as calcium triflate, is a robust inorganic salt composed of calcium cations and trifluoromethanesulfonate anions. This compound is characterized by its exceptional thermal stability and the presence of the triflate group, which is a highly stable, non-coordinating, and weakly nucleophilic anion. As a chemical raw material, it functions effectively as a mild Lewis acid, facilitating various chemical transformations without the harsh conditions often required by traditional metal halides. The material typically appears as a white to off-white crystalline powder and exhibits significant hygroscopic properties, necessitating storage under anhydrous conditions or inert atmospheres to maintain its integrity. Its value in industrial and research settings stems from its ability to activate specific functional groups in organic synthesis and its role in electrochemical applications. Proper handling involves standard protective measures to mitigate risks associated with dust inhalation and moisture-induced degradation, ensuring consistent performance in high-precision chemical processes.
• In the field of organic synthesis, calcium trifluoromethanesulfonate serves as an efficient and relatively low-toxicity Lewis acid catalyst. It is frequently employed in carbon-carbon bond-forming reactions, such as the Friedel-Crafts acylation and alkylation, as well as in the ring-opening of epoxides. Its ability to coordinate with oxygen-containing functional groups allows for the activation of substrates under mild reaction conditions, often providing higher selectivity and yield compared to conventional catalysts.
• The compound plays a critical role in the development of advanced electrolyte systems, particularly for calcium-ion batteries and other multivalent energy storage devices. Due to the high ionic conductivity and wide electrochemical window provided by the triflate anion, it is utilized to enhance ion transport properties and improve the overall stability of the electrolyte-electrode interface, which is essential for the next generation of high-capacity rechargeable batteries.
• It is also utilized as a specialized reagent in polymer chemistry and materials science. It acts as a catalyst for the polymerization of various monomers, including lactones and other cyclic esters, facilitating the production of high-molecular-weight polymers with controlled architectures. Its thermal stability ensures that it remains active throughout high-temperature processing steps, making it a versatile component in the synthesis of functional materials and specialty coatings.
Product Name: Calcium trifluoromethanesulfonate
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