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Online Edition: "Specifications for Flavourings"

Flavouring 2-Methyl-4-phenyl-2-butyl isobutyrate
Synonym(s) Isobutyric acid, 1,1-dimethyl-3-phenylpropyl ester
Latest JECFA evaluation 2004 (Session 63)
Status of specification Full
Chemical name 1,1-Dimethyl-3-phenylpropyl 2-methylpropanoate
JECFA number 1461
CAS number 10031-71-7
FEMA number 2736
COE number
FLAVIS number 09.484
Molecular weight 234.34
Chemical formula C15H22O2
Physical form/odour Colourless liquid; Peculiar fruity-juicy, tea-like and herbaceous, richly sweet aroma
Solubility Soluble in oils; Insoluble in water
Solubility in ethanol Soluble
Boiling point (°C) 250°
Assay min % 96%
Acid value max 1
Refractive index 1.475-1.485
Specific gravity 0.949-0.959
Other requirements