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Online Edition: "Specifications for Flavourings"

Flavouring Butan-3-one-2-yl butanoate
Synonym(s) Acetoyl butyrate
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name 1-Methyl-2-oxopropyl butyrate
JECFA number 407
CAS number 84642-61-5
FEMA number 3332
COE number 10525
FLAVIS number
Molecular weight 158.2
Chemical formula C8H14O3
Physical form/odour white to slightly yellow liquid with a sweet, red berry characteristic odour
Solubility soluble in alcohol, propylene glycol and most fixed oils; insoluble in water
Solubility in ethanol
Boiling point (°C) 76° (11 mm Hg)
Assay min % 96%
Acid value max
Refractive index 1.408-1.429
Specific gravity 0.972-0.992
Other requirements
ID Test IR