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Online Edition: "Specifications for Flavourings"

Flavouring 2,6,6-Trimethyl-1-cyclohexen-1-acetaldehyde
Synonym(s) beta-Homocyclocitral
Latest JECFA evaluation 2002 (Session 59)
Status of specification Full
Chemical name 2,6,6-Trimethylcyclohex-1-en-1-acetaldehyde
JECFA number 978
CAS number 472-66-2
FEMA number 3474
COE number 10338
FLAVIS number
Molecular weight 166.26
Chemical formula C11H18O
Physical form/odour A clear, colourless to pale yellow liquid; herbaceous aroma.
Solubility Insoluble in water, soluble in fat
Solubility in ethanol Miscible at room temperature
Boiling point (°C) 58° (0.4 mm Hg)
Assay min % 92%
Acid value max
Refractive index 1.480-1.487
Specific gravity 0.873-0.885 (20°)
Other requirements SC: Methyl beta-homocyclogeranate; beta-Cyclocitral; beta-Ionone; Ethyl beta-homocyclogeranate