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Online Edition: "Specifications for Flavourings"

Flavouring 6-Methyl-3,5-heptadien-2-one
Synonym(s) 1-Acetyl-4-methyl-1,3-pentadiene;2-Methyhepta-2,4-dien-6-one;Methyl heptadienone
Latest JECFA evaluation 2002 (Session 59)
Status of specification Full
Chemical name 6-Methylhepta-3,5-dien-2-one
JECFA number 1134
CAS number 1604-28-0
FEMA number 3363
COE number 11143
FLAVIS number
Molecular weight 124.18
Chemical formula C8H12O
Physical form/odour Colourless to pale yellow oily liquid; cinnamon-like odour with a coconut undertone
Solubility almost insoluble in water; soluble in oils
Solubility in ethanol Miscible at room temperature
Boiling point (°C) 190°
Assay min % 96%
Acid value max 1
Refractive index 1.528-1.537
Specific gravity 0.895-0.899
Other requirements