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Online Edition: "Specifications for Flavourings"

Flavouring Isobutyl phenylacetate
Synonym(s) Isobutyl alpha-toluate;2-Methylpropyl phenylacetate
Latest JECFA evaluation 2002 (Session 59)
Status of specification Full
Chemical name Isobutyl phenylacetate
JECFA number 1013
CAS number 102-13-6
FEMA number 2210
COE number 2160
FLAVIS number
Molecular weight 192.26
Chemical formula C12H16O2
Physical form/odour Colourless liquid; rose honey-like odour
Solubility Insoluble in water, glyceryl, propylene glycol; soluble in oils
Solubility in ethanol 1 mL in 2 mL 80% ethanol
Boiling point (°C) 247°
Assay min % 98%
Acid value max 1
Refractive index 1.484-1.488
Specific gravity 0.984-0.988
Other requirements
ID Test IR