Food safety and quality: details

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
Information required
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
Spectrum