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Online Edition: "Specifications for Flavourings"

Flavouring 2-Methylheptanoic acid
Synonym(s) alpha-Methylheptanoic acid;2-Methyloenanthic acid;Methylamylacetic acid
Latest JECFA evaluation 2003 (Session 61)
Status of specification Full
Chemical name 2-Methylheptanoic acid
JECFA number 1212
CAS number 1188-02-9
FEMA number 2706
COE number
FLAVIS number 08.047
Molecular weight 144.21
Chemical formula C8H16O2
Physical form/odour colourless oily liquid, solidifies in the cold to colourless or white scaly crystals; fatty, sour, rancid-like aroma
Solubility Very slightly soluble in water; soluble in oils
Solubility in ethanol soluble
Boiling point (°C) 121-122° (13 mm Hg)
Assay min % 97%
Acid value max
Refractive index 1.420-1.427
Specific gravity 0.899-0.905
Other requirements