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Online Edition: "Specifications for Flavourings"

Flavouring Hexanoic acid
Synonym(s) Caproic acid
Latest JECFA evaluation 1997 (Session 49)
Status of specification Full
Chemical name Hexanoic acid
JECFA number 93
CAS number 142-62-1
FEMA number 2559
COE number 9
FLAVIS number
Molecular weight 116.16
Chemical formula C6H12O2
Physical form/odour colourless to very pale yellow, oily liquid/cheesy, sweat-like odour
Solubility miscible with alcohol, most fixed oils, ether, 1 ml in 250 ml water
Solubility in ethanol
Boiling point (°C) 205°
Assay min % 98.0%
Acid value max
Refractive index 1.415-1.418
Specific gravity 0.923-0.928
Other requirements Solidification Pt: > -4.5°
ID Test IR