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Online Edition: "Specifications for Flavourings"

Flavouring Heptanoic acid
Synonym(s) Enanthic Acid;Heptoic acid
Latest JECFA evaluation 1997 (Session 49)
Status of specification Full
Chemical name Heptanoic acid
JECFA number 96
CAS number 111-14-8
FEMA number 3348
COE number 28
FLAVIS number
Molecular weight 130.18
Chemical formula C7H14O2
Physical form/odour colourless oily liquid/ disagreeable rancid, sour, fatty odour
Solubility slightly soluble in water; soluble in alcohol, ether, acetone, nitric acid, and dimethyl sulfoxide
Solubility in ethanol
Boiling point (°C) 223°
Assay min % 98.0%
Acid value max 422-430
Refractive index 1.421-1.425
Specific gravity 0.915-0.920 (20°/20°)
Other requirements Congealing Point: -6.26°; Melting Point: -7.5°
ID Test IR