Food safety and quality
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Flavouring |
l-Fenchone |
Synonym(s) |
Alpha-fenchone |
Latest JECFA evaluation |
2014 (Session 79) |
Status of specification |
Full |
Information required |
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Chemical name |
(1R,4S)-1,3,3-trimethylbicyclo[2.2.1]heptan-2-one |
JECFA number |
2200 |
CAS number |
7787-20-4 |
FEMA number |
4519 |
COE number |
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FLAVIS number |
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Molecular weight |
152.23 |
Chemical formula |
C10H16O |
Physical form/odour |
Clear colorless to pale yellow liquid, Camphor herbal earthy woody aroma |
Solubility |
Practically insoluble to insoluble |
Solubility in ethanol |
Soluble |
Boiling point (°C) |
192-194°C |
Assay min % |
98% |
Acid value max |
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Refractive index |
1.461-1.465 |
Specific gravity |
0.941-0.946 |
Other requirements |
Optical rotation: [?]20D= -55 to -47.5 |
ID Test |
MS |
Spectrum |
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