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Online Edition: "Specifications for Flavourings"

Flavouring 3-Octanone
Synonym(s) Amyl ethyl ketone
Latest JECFA evaluation 1998 (Session 51)
Status of specification Full
Chemical name Octan-3-one
JECFA number 290
CAS number 106-68-3
FEMA number 2803
COE number 2042
FLAVIS number
Molecular weight 128.21
Chemical formula C8H16O
Physical form/odour colourless, oily liquid with a herbaceous, fruity warm odour
Solubility soluble in most common organic solvents; insoluble in water
Solubility in ethanol 1 ml in 5 ml 60% alcohol; 1 ml in 3 ml 70% alcohol
Boiling point (°C) 169-173°
Assay min % 98.0%
Acid value max
Refractive index 1.413-1.418
Specific gravity 0.817-0.821 (23°)
Other requirements
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