Cyclohexane is a cycloalkane with the molecular formula C6H12 (the alkyl is abbreviated Cy). Cyclohexane is mainly used for the industrial production of adipic acid and caprolactam, which are precursors to nylon. Cyclohexane is a colourless, flammable liquid with a distinctive detergent-like odor, reminiscent of cleaning products (in which it is sometimes used). It is used as a solvent in some brands of correction fluid . Cyclohexane is sometimes used as a non-polar organic solvent, although n-hexane is more widely used for this purpose. It's frequently used as a recrystallization solvent, as many organic compounds exhibit good solubility in hot cyclohexane and poor solubility at low temperatures.Cyclohexane is also used for calibration of differential scanning calorimetry (DSC) instruments, because of a convenient crystal-crystal transition at −87.1 °C.Cyclohexane vapour is used in vacuum carburizing furnaces, in heat treating equipment manufacture.