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Online Edition: "Specifications for Flavourings"

Flavouring 2-Pentanone
Synonym(s) Methyl propyl ketone
Latest JECFA evaluation 1998 (Session 51)
Status of specification Full
Chemical name Pentan-2-one
JECFA number 279
CAS number 107-87-9
FEMA number 2842
COE number 754
FLAVIS number
Molecular weight 86.13
Chemical formula C5H10O
Physical form/odour colourless to pale yellow, mobile liquid with an ethereal, fruity odour
Solubility miscible with alcohol, ether, propylene glycol, oils; 1 ml in 25 ml water
Solubility in ethanol
Boiling point (°C) 102°
Assay min % 95.0%
Acid value max 2
Refractive index 1.387-1.392
Specific gravity 0.801-0.806
Other requirements
ID Test IR