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Online Edition: "Specifications for Flavourings"

Flavouring Isoamyl acetate
Synonym(s) Isoamyl ethanoate
Latest JECFA evaluation 1997 (Session 49)
Status of specification Full
Chemical name 3-Methylbutyl acetate
JECFA number 43
CAS number 123-92-2
FEMA number 2055
COE number 214
FLAVIS number
Molecular weight 130.19
Chemical formula C7H14O2
Physical form/odour Colourless liquid with a fruity, pear, banana-like odour
Solubility Soluble in ether, ethyl acetate and most fixed oils, slightly soluble in water, insoluble in glycerol and propylene glycol
Solubility in ethanol 1ml in 3ml 60% ethanol
Boiling point (°C) 145°
Assay min % 95.0%
Acid value max 1
Refractive index 1.400-1.404
Specific gravity 0.868-0.878
Other requirements
ID Test IR