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Online Edition: "Specifications for Flavourings"

Flavouring (E)-4-Nonenal
Synonym(s) (E)-Non-4-enal;trans-4-Nonenal
Latest JECFA evaluation 2007 (Session 68)
Status of specification Full
Chemical name 4(E)-Nonenal
JECFA number 1642
CAS number 2277-16-9
FEMA number 4302
COE number
FLAVIS number
Molecular weight 140.23
Chemical formula C9H16O
Physical form/odour Clear, colourless or pale yellow liquid; Fruity aroma
Solubility Sparingly soluble in water; soluble in many non-polar solvents
Solubility in ethanol Soluble
Boiling point (°C) 72-75°
Assay min % 93%
Acid value max
Refractive index 1.434-1.439
Specific gravity 0.843-0.847
Other requirements Also contains 1-2% 2-nonen-4-ol and 5-6% 2E,4E-nonadienal
ID Test HNMR
Spectrum