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.^[1]

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Octanal

Names
Preferred IUPAC name Octanal
Other names Caprylic aldehyde Octanaldehyde Aldehyde C-8
Identifiers
CAS Number	124-13-0 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:17935 N
ChemSpider	441 N
ECHA InfoCard	100.004.259
PubChem CID	454
UNII	XGE9999H19 Y
CompTox Dashboard (EPA)	DTXSID3021643
InChI InChI=1S/C8H16O/c1-2-3-4-5-6-7-8-9/h8H,2-7H2,1H3 N Key: NUJGJRNETVAIRJ-UHFFFAOYSA-N N InChI=1/C8H16O/c1-2-3-4-5-6-7-8-9/h8H,2-7H2,1H3 Key: NUJGJRNETVAIRJ-UHFFFAOYAK
SMILES CCCCCCCC=O
Properties
Chemical formula	C8H16O
Molar mass	128.21204
Appearance	Colorless or lightly yellow liquid
Density	0.821 g/cm3
Melting point	12 to 15 °C (54 to 59 °F; 285 to 288 K)
Boiling point	171 °C (340 °F; 444 K)
Solubility in water	Slightly soluble
Hazards
Flash point	51 °C (124 °F; 324 K)
Related compounds
Related aldehydes	Heptanal Nonanal
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

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Octanal can also be referred to as caprylic aldehyde or C8 aldehyde.