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Online Edition: "Specifications for Flavourings"
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| Flavouring |
Farnesene (alpha and beta) |
| Synonym(s) |
-
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| Latest JECFA evaluation |
2004 (Session 63)
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| 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
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| JECFA number |
1343 |
| CAS number |
502-61-4
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| FEMA number |
3839
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| COE number |
-
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| FLAVIS number |
01.040
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| Molecular weight |
204.36 |
| Chemical formula |
C15H24
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| 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 |
http://www.fao.org/ag/agn/jecfa-flav/img/img/1343.gif
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