Denatonium Hydroxide to Denatonium Benzoate

To a reflux apparatus 10 g of denatonium hydroxide, 20 mL of acetone, and 4 g of benzoic acid dissolved in 15 mL of acetone is added, the mixture is stirred and heated to 35°C for 3 h. Then evaporated to dryness and recrystallized in hot acetone.

Source

Capture

Addition of the chemicals (Done in a beaker, not in a RBF)

ff

Evaporation to dryness process

grg

The dry product on a smaller scale

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