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Online Edition: "Specifications for Flavourings"

Flavouring Undecanoic acid
Synonym(s) n-Undecylic acid
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name Undecanoic acid
JECFA number 108
CAS number 112-37-8
FEMA number 3245
COE number 696
FLAVIS number
Molecular weight 186.29
Chemical formula C11H22O2
Physical form/odour colourless crystals/ faint fatty, aldehydic odour
Solubility Insoluble in water; very soluble in alcohol, chloroform, acetone
Solubility in ethanol
Boiling point (°C) 284°
Assay min % 99%
Acid value max 295-301
Refractive index 1.4355 (30°)
Specific gravity 0.9948 (20°/20°)
Other requirements Melting point: 33-38°
ID Test IR