A process for producing a purified alcohol giving satisfactory results in a sulfuric acid coloring test is provided.A process for producing a purified alcohol which includes the following steps: a condensation step in which an aldehyde is subjected to aldol condensation and dehydration to obtain the corresponding condensate, a hydrogenation step in which the condensate is hydrogenated to obtain a crude alcohol, and a purification step in which the crude alcohol is distilled to obtain a purified alcohol, characterized in that the crude alcohol in which the concentration of one or more compounds having an oxygen-containing heterocycle having a carbon-carbon double bond in the ring is 200 weight ppm or lower is fed to the purification step. Specifically, the aldehyde is normal butyraldehyde, the condensate is 2-ethylhexenal, and the alcohol is 2-ethylhexanol.