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Online Edition: "Specifications for Flavourings"

Flavouring Isoamyl formate
Synonym(s) Isopentyl formate
Latest JECFA evaluation 2003 (Session 61)
Status of specification Full
Chemical name 3-Methylbutyl formate
JECFA number 42
CAS number 110-45-2
FEMA number 2069
COE number 500
FLAVIS number 09.162
Molecular weight 116.16
Chemical formula C6H12O2
Physical form/odour colourless liquid with a plum-like odour
Solubility soluble in ethanol, most fixed oils and propylene glycol, slightly soluble in water, insoluble in glycerol
Solubility in ethanol 1ml in 40ml 60% ethanol
Boiling point (°C) 124°
Assay min % 92%
Acid value max 3.02
Refractive index 1.396-1.400
Specific gravity 0.881-0.889
Other requirements SC: isoamyl alcohol
ID Test IR