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Online Edition: "Specifications for Flavourings"

Flavouring 2-Cyclopentylcyclopentanone
Synonym(s) 2-Cyclopentylcyclopentanone;Cyclopentanone, 2-cyclopentyl-;[Bicyclopentyl]-2-one
Latest JECFA evaluation 2010 (Session 73)
Status of specification Full
Chemical name [1,1'-bicyclopentyl]-2-one
JECFA number 2050
CAS number 4884-24-6
FEMA number 4514
COE number
FLAVIS number
Molecular weight 152.23
Chemical formula C10H16O
Physical form/odour Clear colourless liquid; Fruity green minty aroma
Solubility Practically insoluble or insoluble in water
Solubility in ethanol Soluble
Boiling point (°C) 104-107° (2 mm Hg)
Assay min % 97%
Acid value max
Refractive index 1.475-1.481
Specific gravity 0.975-0.983 (20°)
Other requirements
ID Test MS