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Online Edition: "Specifications for Flavourings"

Flavouring Isoamyl phenylacetate
Synonym(s) Amyl(iso) phenylacetate;Isoamyl alpha-toluate
Latest JECFA evaluation 2002 (Session 59)
Status of specification Full
Chemical name Mixture of Pentyl phenylacetate and 3-Methylbutyl phenylacetate
JECFA number 1014
CAS number 102-19-2
FEMA number 2081
COE number 2161
FLAVIS number
Molecular weight 206.29
Chemical formula C13H18O2
Physical form/odour Colourless liquid; sweet musky animal odour with fruity balsamic undertone reminiscent of fresh cocoa beans
Solubility Insoluble in water; soluble in oils
Solubility in ethanol 1 mL in 1 mL 95% ethanol
Boiling point (°C) 268°
Assay min % 97% (sum of n-amyl and isoamyl esters)
Acid value max 1
Refractive index 1.483-1.490
Specific gravity 0.975-0.981
Other requirements [65% n-amyl and 35% 3-methylbutyl phenylacetate]
ID Test IR