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Online Edition: "Specifications for Flavourings"

Flavouring 2,3-Undecadione
Synonym(s) Acetyl nonanoyl;Acetyl pelargonyl;Acetyl nonyryl
Latest JECFA evaluation 2003 (Session 61)
Status of specification Full
Chemical name Undeca-2,3-dione
JECFA number 417
CAS number 7493-59-6
FEMA number 3090
COE number 155
FLAVIS number 07.021
Molecular weight 184.28
Chemical formula C11H20O2
Physical form/odour oily, yellow liquid
Solubility very slightly soluble in water; soluble in alcohol
Solubility in ethanol
Boiling point (°C) 109-111° (10 mm Hg)
Assay min % 97%
Acid value max
Refractive index 1.432-1.438
Specific gravity 0.905-0.915
Other requirements