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Online Edition: "Specifications for Flavourings"

Flavouring Hexyl isobutyrate
Latest JECFA evaluation 1997 (Session 49)
Status of specification Full
Chemical name Hexyl 2-methyl propanoate
JECFA number 189
CAS number 164183
FEMA number 3172
COE number 646
FLAVIS number
Molecular weight 172.27
Chemical formula C10H20O2
Physical form/odour colourless to pale yellow liquid/fruity odour
Solubility soluble in alcohol, propylene glycol; miscible with most fixed oils; insoluble in water
Solubility in ethanol
Boiling point (°C) 199°
Assay min % 98.0%
Acid value max 1
Refractive index 1.399-1.421
Specific gravity 0.852-0.876
Other requirements
ID Test IR