Undecanal

Undecanal, also known as undecyl aldehyde, is an organic compound with the chemical formula C₁₀H₂₁CHO. It is an eleven-carbon aldehyde. A colourless, oily liquid, undecanal is a component of perfumes. Although it occurs naturally in citrus oils, it is produced commercially by hydroformylation of decene.[1]

Undecanal

Names
Other names Undecyl aldehyde
Identifiers
CAS Number	112-44-7
3D model (JSmol)	Interactive image
ChEBI	CHEBI:46202^Y
ChemSpider	7894
DrugBank	DB04093
ECHA InfoCard	100.003.611
EC Number	203-972-6
PubChem CID	8186
UNII	B6P0A9PSHN
CompTox Dashboard (EPA)	DTXSID4021688
InChI InChI=1S/C11H22O/c1-2-3-4-5-6-7-8-9-10-11-12/h11H,2-10H2,1H3 Key: KMPQYAYAQWNLME-UHFFFAOYSA-N InChI=1/C11H22O/c1-2-3-4-5-6-7-8-9-10-11-12/h11H,2-10H2,1H3 Key: KMPQYAYAQWNLME-UHFFFAOYAE
SMILES O=CCCCCCCCCCC
Properties
Chemical formula	C11H22O
Molar mass	170.296 g·mol^−1
Appearance	colourless oil
Density	0.825 g cm^−3
Melting point	−2 °C (28 °F; 271 K)
Boiling point	120 to 122 °C (248 to 252 °F; 393 to 395 K)
Hazards
GHS pictograms
GHS Signal word	Warning
GHS hazard statements	H315, H412
GHS precautionary statements	P264, P273, P280, P302+352, P321, P332+313, P362, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

It has been registered under the EU REACH scheme at >1000 tonnes by Oxea, which confirms the status as irritant.[2]

References

1. Christian Kohlpaintner, Markus Schulte, Jürgen Falbe, Peter Lappe, Jürgen Weber, Guido D. Frey. "Aldehydes, Aliphatic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a01_321.pub3.CS1 maint: multiple names: authors list (link)
2. http://apps.echa.europa.eu/registered/data/dossiers/DISS-9d84f5d2-6b83-52c9-e044-00144f67d249/DISS-9d84f5d2-6b83-52c9-e044-00144f67d249_DISS-9d84f5d2-6b83-52c9-e044-00144f67d249.html