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Online Edition: "Specifications for Flavourings"

Flavouring Isoamyl isovalerate
Synonym(s) Isoamyl isopentanoate
Latest JECFA evaluation 1997 (Session 49)
Status of specification Full
Chemical name 3-Methylbutyl 3-methylbutanoate
JECFA number 50
CAS number 659-70-1
FEMA number 2085
COE number 458
FLAVIS number
Molecular weight 172.27
Chemical formula C10H20O2
Physical form/odour Colourless liquid with a fruity apple-like odour
Solubility Soluble in most fixed oils, slightly soluble in propylene glycol, insoluble in water
Solubility in ethanol 1ml in 6ml 70% ethanol
Boiling point (°C) 192°
Assay min % 98.0%
Acid value max 2
Refractive index 1.411 - 1.414
Specific gravity 0.851 - 0.857
Other requirements
ID Test IR