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Online Edition: "Specifications for Flavourings"

Flavouring 3-Methyl-2-(n-pentanyl)-2-cyclopenten-1-one
Synonym(s) Dihydrojasmone;3-Methyl-2-pentyl-cyclopent-2-en-1-one
Latest JECFA evaluation 2004 (Session 63)
Status of specification Full
Chemical name 3-Methyl-2-pentylcyclopent-2-en-1-one
JECFA number 1406
CAS number 1128-08-1
FEMA number 3763
COE number
FLAVIS number 07.140
Molecular weight 166.26
Chemical formula C11H18O
Physical form/odour Colourless liquid; celery, herbacous, spicy aroma
Solubility Soluble in fats; Very slightly soluble in water
Solubility in ethanol Soluble
Boiling point (°C) 79° (0.19 mm Hg)
Assay min % 99%
Acid value max <1.0
Refractive index 1.676-1.682
Specific gravity 0.911-0.917
Other requirements