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Online Edition: "Specifications for Flavourings"

Flavouring Linoleic and linolenic acid (mixture)
Latest JECFA evaluation 2003 (Session 61)
Status of specification Full
Chemical name (9Z,12Z)-Octadeca-9,12-dienoic acid and Octadeca-9,12,15-trienoic acid
JECFA number 332
CAS number 60-33-3
FEMA number 3380
COE number 694
FLAVIS number
Molecular weight 280.45
Chemical formula C18H32O2
Physical form/odour colourless to pale yellow oily liquid
Solubility soluble in ether, alcohol; miscible with dimethylformamide, fat solvents, oils; insoluble in water
Solubility in ethanol
Boiling point (°C) 229° (16 mm Hg)
Assay min % 60%
Acid value max
Refractive index 1.469-1.473
Specific gravity 0.898-0.904
Other requirements mp -5°; Pb: <=10 mg/kg; Iodine Value: 145-160; Residue on Ignition: <= 0.01%; Saponification Value: 194-202; Unsaponifiable Matter: <= 2.0%; Water: <=0.5%; SC: stearic, oleic and palmitic acids