... -carbon cyclic molecule with a ketone functional group. This colorless oil has an odor reminiscent of peardrop sweets as well as ... -forms cyclohexanol, and this mixture, called "KA oil" for ketone-alcohol oil, is the main feedstock for the production of adipic acid. The oxidation ... to adipic acid, one of two precursors for nylon 6,6. For this application, the KA oil (see above) is oxidized with nitric ...