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Online Edition: "Specifications for Flavourings"

Flavouring 5-Methyl-2-hepten-4-one
Synonym(s) Filbert heptenone;Filbertone;Hazeltone
Latest JECFA evaluation 2002 (Session 59)
Status of specification Full
Chemical name 5-Mehtylhept-2-en-4-one
JECFA number 1133
CAS number 81925-81-7
FEMA number 3761
COE number
FLAVIS number
Molecular weight 126.19
Chemical formula C8H14O
Physical form/odour Colourless liquid; hazelnut, metallic, buttey odour
Solubility slightly soluble in water; soluble in oils
Solubility in ethanol Miscible at room temperature
Boiling point (°C) 86-87° (60 mm Hg)
Assay min % 98%
Acid value max
Refractive index 1.440-1.445
Specific gravity 0.845-0.852
Other requirements