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Online Edition: "Specifications for Flavourings"

Flavouring p-Tolyl 3-methylbutyrate
Synonym(s) p-Cresyl 3-methylbutanoate;p-Tolyl isovalerate;p-Cresyl isovalerate
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name p-Tolyl isovalerate
JECFA number 702
CAS number 55066-56-3
FEMA number 3387
COE number 10545
FLAVIS number
Molecular weight 192.26
Chemical formula C12H16O2
Physical form/odour Colourless liquid, tobacco-like, animal, sweet herbaceous odour
Solubility insoluble in water; soluble in oils
Solubility in ethanol miscible
Boiling point (°C) 103° (2 mm Hg)
Assay min % 98%
Acid value max 1
Refractive index 1.485-1489
Specific gravity 0.977-0.987
Other requirements
ID Test IR
Spectrum