 1-Propanol

1-Propanol is the primary alcohol $\mathrm{C}{\mathrm{H}}_3\mathrm{C}{\mathrm{H}}_2\mathrm{C}{\mathrm{H}}_2\mathrm{OH}$. Its hydroxyl group lies at an end of the three-carbon chain.

Its constitutional isomer 2-propanol has the same formula but a secondary hydroxyl-bearing carbon. The distinction changes oxidation products: the primary alcohol can form an aldehyde, whereas oxidation of the secondary isomer forms a ketone.