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Online Edition: "Specifications for Flavourings"

Flavouring l-Fenchone
Synonym(s) Alpha-fenchone
Latest JECFA evaluation 2014 (Session 79)
Status of specification Full
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
FLAVIS number
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
Refractive index 1.461-1.465
Specific gravity 0.941-0.946
Other requirements Optical rotation: [?]20D= -55 to -47.5
ID Test MS