Synthesis of Cesium picrate

A 30% aqueous solution of picric acid is neutralized by an addition of concentrated cesium hydroxide solution. The solution is then cooled down in a freezer and filtered to obtain the product. The product may be dried with a desiccator.

(O2N)3C6H2OH + CsOH = C6H2CsN3O+ H2O

Source

Crystallization of the product from the neutralized solution

Filtration

The pure product

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