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Online Edition: "Specifications for Flavourings"

Flavouring beta-Bourbonene
Synonym(s) (-)-beta-Bourbonene;1,2,3,3a,3b.beta.,4,5,6,6a.beta.,6b.alpha.-Decahydro-1.alpha.-isopropyl-3a.alpha.-methyl-6-methylene-cyclobuta[1,2:3,4]dicyclopentene
Latest JECFA evaluation 2004 (Session 63)
Status of specification Full
Chemical name 2-Methyl-8-methylene-5-isopropyl-tricyclo(5,3,0,0(2.6))decane
JECFA number 1345
CAS number 5208-59-3
FEMA number
COE number
FLAVIS number 01.024
Molecular weight 204.36
Chemical formula C15H24
Physical form/odour Colourless to yellow oily liquid; Woody aroma
Solubility Insoluble in water; soluble in most fixed oils
Solubility in ethanol Soluble
Boiling point (°C) 121° (11 mm Hg)
Assay min % 96%
Acid value max <1.0
Refractive index 1.500-1.507
Specific gravity 0.899-0.908
Other requirements Minimum assay value may include traces of other C15H24 compounds (cadinene, guaiene, farnesene)