Characteristic

Caesium acetate or cesium acetate is an ionic caesium compound with the molecular formula CH₃CO₂Cs. 

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

Application

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.