Octadecanal

Octadecanal

Names
Preferred IUPAC name Octadecanal
Other names Octadecanaldehyde; n-Octadecanal; Octodecane aldehyde; Octodecyl aldehyde; Stearyl aldehyde; Stearaldehyde
Identifiers
CAS Number	638-66-4 Y
3D model (JSmol)	Interactive image
ChemSpider	12016 N
ECHA InfoCard	100.010.316
EC Number	211-346-9
PubChem CID	12533
UNII	PH4GZ7JT4C Y
CompTox Dashboard (EPA)	DTXSID60213250
InChI InChI=1S/C18H36O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19/h18H,2-17H2,1H3 N Key: FWWQKRXKHIRPJY-UHFFFAOYSA-N N InChI=1/C18H36O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19/h18H,2-17H2,1H3 Key: FWWQKRXKHIRPJY-UHFFFAOYAM
SMILES CCCCCCCCCCCCCCCCCC=O
Properties
Chemical formula	C18H36O
Molar mass	268.485 g·mol−1
Density	0.831 g/cm3, liquid
Melting point	38 °C (100 °F; 311 K)
Boiling point	320 °C (608 °F; 593 K)
Solubility in water	insoluble
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

Octodecanal is a long-chain aldehyde, with the chemical formula C₁₈H₃₆O (also known as stearyl aldehyde).^[1] Octadecanal is used by several species of insect as a pheromone.^[2]