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Online Edition: "Specifications for Flavourings"

Flavouring Farnesene (alpha and beta)
Synonym(s)
Latest JECFA evaluation 2004 (Session 63)
Status of specification Full
Chemical name Mixture of 3,7,11-Trimethyldodeca-1,3,6,10-tetraene and 3-Methylene-7,11-dimethyldodeca-1,6,10-triene
JECFA number 1343
CAS number 502-61-4
FEMA number 3839
COE number
FLAVIS number 01.040
Molecular weight 204.36
Chemical formula C15H24
Physical form/odour Colourless to pale green-yellow liquid; fruity aroma
Solubility Insoluble in water; soluble in benzene, pet ether
Solubility in ethanol Slightly soluble
Boiling point (°C) 53-57° (1 mm Hg)
Assay min % 38% alpha + 29% beta (sum of cis/trans isomers)
Acid value max <1.0
Refractive index 1.490-1.500
Specific gravity 0.834-0.845
Other requirements SC: bisabolene, up to 10% other isomers (valencene, bourbonene, cadinene, guaiene)
ID Test NMR
Spectrum