Aroma Chemical Compendium

Citronellal Extra

TIC Code No. C003091


Chemical Name 3,7-Dimethyl-6-octenal
C10H18O
Synonym 2,3-Dihydrocitral
CAS No. 106-23-0 M.W. 154.25

Odor Description
Powerful, fresh, green-citrusy, slightly woody odor.

Occurrence in Nature
Main constituent in oils of citronella, eucalyptus citriodora, some citrus oils, grape, tomatoes, and nutmeg.

Application Information
Mainly used in citrus-lemongrass type fragrances.

Typical Use Level: Up to 5%

Stability Substantivity
Hypochlorite Bleach Poor Skin Poor
Perborate Powder Detergent Fair Dry Fabric Poor
Liquid Detergent Fair Wet Fabric Poor
Concentrated Fabric Softeners Good Hair Poor
Soaps Good Tenacity on Blotter > 8 Hours
Alcoholic Fine Fragrances Good Diffusivity Diffusive
Toiletry Applications Good    
Antiperspirants Fair    

Typical Physical Properties
Sp. Gr. (15/15) 0.8550-0.8630 Flash Point oC 77 CC
[α]20D -5o to +5o
GC MIN 85% as Citronellal
Appearance Colorless liquid
CLogP 3.264

FEMA/GRAS No. 2307