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Online Edition: "Specifications for Flavourings"

Flavouring 3,7-Dimethyl-6-octenoic acid
Synonym(s) Citronellic acid
Latest JECFA evaluation 2003 (Session 61)
Status of specification Full
Chemical name 3,7-Dimethyl-6-octenoic acid
JECFA number 1221
CAS number 502-47-6
FEMA number 3142
COE number 8036
FLAVIS number 08.036
Molecular weight 170.25
Chemical formula C10H18O2
Physical form/odour Colourless liquid; smokey, whisky aroma
Solubility Insoluble in glycerol, water; soluble in most fixed oils, propylene glycol
Solubility in ethanol soluble
Boiling point (°C) 121-122° (1 mm Hg)
Assay min % 90%
Acid value max
Refractive index 1.455-1.462
Specific gravity 0.920-0.926 (20°)
Other requirements SC: citronellal; scetate esters of citronellol, nerol and geraniol; other terpenes