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Online Edition: "Specifications for Flavourings"

Flavouring trans-alpha-Damascone
Synonym(s) 2-Buten-1-one, 1-(2,6,6-trimethyl-2-cyclohexen-1-yl)-, (2E)-;trans-1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)but-2-en-1-one
Latest JECFA evaluation 2014 (Session 79)
Status of specification Full
Chemical name (2E)-1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-en-1-one
JECFA number 2188
CAS number 24720-09-0
FEMA number 4088
COE number 11053
FLAVIS number 07.226
Molecular weight 192.3
Chemical formula C13H20O
Physical form/odour Colourless to pale yellow liquid; Warm balsamic aroma
Solubility Practically insoluble to insoluble
Solubility in ethanol Soluble
Boiling point (°C) 54 º (1 mm Hg)
Assay min % 95%
Acid value max
Refractive index 1.493-1.499
Specific gravity 0.937-0.943
Other requirements
ID Test IR, MS