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Online Edition: "Specifications for Flavourings"

Flavouring Ethylcyclo-pentenolone
Synonym(s) 3-Ethyl-2-hydroxy-2-cyclopenten-1-one;3-Ethyl-2-cyclopenten-2-ol-1-one
Latest JECFA evaluation 2003 (Session 61)
Status of specification Full
Chemical name 3-Ethylcyclopentane-1,2-dione
JECFA number 419
CAS number 21835-01-8
FEMA number 3152
COE number 759
FLAVIS number 07.057
Molecular weight 126.16
Chemical formula C7H10O2
Physical form/odour white crystalline powder with a maple-, caramel-, smoky-, coffee-like odour
Solubility miscible with alcohol, glycerol, benzyl alcohol and water
Solubility in ethanol
Boiling point (°C) 78-80° (4 mm Hg)
Assay min % 90%
Acid value max
Refractive index 1.470-1.480 (25°)
Specific gravity 1.060-1.066
Other requirements mp: 36-43°; SC: 3-ethylcylopentan-1,2-dione (enolic form)
ID Test IR