Synthesis of Benzil with Acetic Acid

Combine 6 mL of glacial acetic acid, 3 mL of water and 5.1 g of iron chloride hexahydrate, heat the solution to boil and then cool slightly until it doesn’t anymore boil. Add 1.2 g of benzoin and reflux for 1 h, then add 30 mL of water and boil for few minutes, cool down to 0°C, filter and wash with 20 mL of water. Recrystallize with hot ethanol.

Source

Refluxing the mixture

Addition of water

Boiling for few minutes and then cooled down and filtered

 

Recrystallization in ethanol

Filtration

The pure product

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