Cesium acetate (CsOOCCH3)-Powder

  • 3396-11-0
  • CsOOCCH3
  • 99.998%
  • -325 Mesh.etc
  • 222-248-0


Caesium acetate or cesium acetate is an ionic caesium compound with the molecular formula CH3CO2Cs. It is often used in organic synthesis especially in Perkin synthesis: the formation of unsaturated cinnamic-type acids by the condensation of aromatic aldehydes with fatty acids.

Chemical formula:C2H3CsO2

Molar mass:191.949 g/mol

Appearance:colourless, hygroscopic

Density:2.423 g/cm3, solid

Melting point:194 °C (381 °F; 467 K)

Boiling point:945 °C (1,733 °F; 1,218 K)

Solubility in water:945.1 g/100 g (−2.5 °C);1345.5 g/100 ml (88.5 °C)

Crystal structure:Primitve hexagonal


Cesium acetate is used in organic synthesis especially in the Perkin reaction to prepare unsaturated cinnamic-type acids. It is used in petroleum drilling fluids as an alternative to cesium formate. In organometallic chemistry, it is an additive for metal-ctalyzed coupling reactions. It is also used in the inversion of stereo chemistry of secondary alcohols.

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