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Online Edition: "Specifications for Flavourings"

Flavouring Pseudoionone
Synonym(s) phi-Ionone;3,5,9-Undecatrien-2-one, 6,10-dimethyl-;psi-Ionone;2,6-Dimethyl-2,6,8-undecatrien-10-one;2,6-Dimethylhendeca-2,6,8-trien-10-one
Latest JECFA evaluation 2014 (Session 79)
Status of specification Full
Chemical name (3E,5E)-6,10-Dimethylundeca-3,5,9-trien-2-one
JECFA number 2187
CAS number 141-10-6
FEMA number 4299
COE number 11191
FLAVIS number 07.198
Molecular weight 192.3
Chemical formula C13H20O
Physical form/odour Pale yellow liquid; Warm floral aroma
Solubility Practically insoluble to insoluble
Solubility in ethanol Soluble
Boiling point (°C) 143-145 º
Assay min % 95%
Acid value max
Refractive index 1.529-1.535
Specific gravity 0.894-0.903
Other requirements 3E,5E isomer: 80-95%; 3E, 5Z isomer: 5-20%
ID Test IR, MS