Octanal

Octanal is the organic compound, an aldehyde, with the chemical formula CH₃(CH₂)₆CHO. A colorless fragrant liquid with a fruit-like odor, it occurs naturally in citrus oils. It is used commercially as a component in perfumes and in flavor production for the food industry. It is usually produced by hydroformylation of heptene and the dehydrogenation of 1-octanol.

Octanal can also be referred to as caprylic aldehyde or aldehyde C-8.