Citronellal

Citronellal
IUPAC name 3,7-dimethyloct-6-en-1-al
Identifiers
CAS number	106-23-0 Y
PubChem	7794
ChemSpider	7506 Y
UNII	QB99VZZ7GZ Y
EC number	203-376-6
KEGG	C17384 Y
ChEBI	CHEBI:47856 Y
ChEMBL	CHEMBL447944 Y
Jmol-3D images	Image 1 Image 2
SMILES C/C(C)=C/CCC(C)CC=O O=CCC(CC/C=C(/C)C)C
InChI InChI=1S/C10H18O/c1-9(2)5-4-6-10(3)7-8-11/h5,8,10H,4,6-7H2,1-3H3 Y Key: NEHNMFOYXAPHSD-UHFFFAOYSA-N Y InChI=1/C10H18O/c1-9(2)5-4-6-10(3)7-8-11/h5,8,10H,4,6-7H2,1-3H3 Key: NEHNMFOYXAPHSD-UHFFFAOYAH
Properties
Molecular formula	C10H18O
Molar mass	154.25 g/mol
Density	0.855 g/cm3
Boiling point	201−207 °C
Related compounds
Related alkenals	Citral Methacrolein trans-2-Methyl-2-butenal
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Citronellal or rhodinal or 3,7-dimethyloct-6-en-1-al (C₁₀H₁₈O) is a monoterpenoid, the main component in the mixture of terpenoid chemical compounds that give citronella oil its distinctive lemon scent.

Citronellal is a major isolate in distilled oils from the plants Cymbopogon, lemon-scented gum, and lemon-scented teatree.

Citronellal has insect repellent properties, and research shows high repellent effectiveness against mosquitoes. Research shows that citronellal has strong antifungal qualities.

Compendial status

• British Pharmacopoeia

See also

• Citral
• Citronellol
• Geraniol
• Citronella oil
• Perfume allergy