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Online Edition: "Specifications for Flavourings"

Flavouring Guaiene
Synonym(s) Guaia-1(5),7(11)-diene;beta-Guaiene;beta-Guajene
Latest JECFA evaluation 2004 (Session 63)
Status of specification Full
Chemical name 2,8-Dimethyl-5-isopropylidene-bicyclo(5.3.0)dec-1(7)-ene
JECFA number 1347
CAS number 88-84-6
FEMA number
COE number
FLAVIS number 01.026
Molecular weight 204.36
Chemical formula C15H24
Physical form/odour Mobile greenish-yellow liquid; Earthy, spicy aroma
Solubility Insoluble in water, propylene glycol; Soluble in oils
Solubility in ethanol Soluble
Boiling point (°C) 118° (2 mm Hg)
Assay min % 96%
Acid value max <1.0
Refractive index 1.503-1.509
Specific gravity 0.912-0.918
Other requirements Minimum assay value may include traces of other C15H24 compounds (cadinene, farnesene, valencene)