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Online Edition: "Specifications for Flavourings"

Flavouring 4-(p-Acetoxyphenyl)-2-butanone
Synonym(s) 4-(3-Oxobutyl)phenylacetate;p-(2-Acetylethyl) phenylacetate
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name 4-(p-Hydroxyphenyl)-2-butanone acetate
JECFA number 731
CAS number 610841
FEMA number 3652
COE number
FLAVIS number
Molecular weight 206.24
Chemical formula C12H14O3
Physical form/odour Yellow liquid, sweet raspberry fruity odour
Solubility insoluble in water; soluble in fat
Solubility in ethanol miscible
Boiling point (°C) 155° (2.5 mm Hg)
Assay min % 93% (min. 95% combined o- and p- isomers)
Acid value max
Refractive index 1.506-1.512
Specific gravity 1.096-1.100
Other requirements contains 2-5% ortho isomer
ID Test IR