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Cesium carbonate is the precursor for other cesium compounds. It acts as a base in sensitive organic reactions. Suzuki, Heck and Sonogashira synthesis are some of the important reactions involving cesium carbonate. It finds use in solar cells as it increases the power conversion efficiency of cells through the transfer of electrons. It is also used in the production of special optical glasses, petroleum catalytic additives, special ceramics, and in sulfuric acid industry. It is useful in the N-alkylation (of sulfonamides, beta-lactams, indoles, heterocycles, and several sensitive nitrogen compounds), carbamination of amines, carbonylation of alcohols, and aerobic oxidation of alcohols into carbonyl compounds without over oxidations.
Fu, R.; Forsythe, E.; Shi, J.; Srour, M.; Blomquist, S.; Morton, D. Temperature dependence of cesium carbonate-doped electron transporting layers on organic light-emitting diodes. Synth. Met. 2015, 209, 128-134.
Chen, Y. C.; Gao, C. Y.; Chen, K. L.; Sze, P. W.; Huang, C. J. Enhanced electronic injection in organic light-emitting diodes by incorporating silver nanoclusters and cesium carbonate. Appl. Surf. Sci. 2015, 351, 232-235.
Hazard Statements: H303-H315-H319-H335
May be harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statements: P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.