High Quality Content by WIKIPEDIA articles! Potassium tert-butoxide is the chemical compound with the formula (CH3)3COK. This colourless solid is a strong base useful in organic synthesis. It exists as a tetrameric cubane-like cluster. It is often seen written in chemical literature as potassium t-butoxide. Potassium t-butoxide is commercially available as a solution and as a solid, but it is often generated in situ for laboratory use because samples are so sensitive and older samples are often of poor quality. It is prepared by the reaction of dry tert-butanol with potassium metal. The solid is obtained by evaporating these solutions followed by heating the solid. The solid can be purified by sublimation at 220 °C and 1 mmHg.

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