Food safety and quality: details

Flavouring	(E)-4-Nonenal
Synonym(s)	(E)-Non-4-enal;trans-4-Nonenal
Latest JECFA evaluation	2007 (Session 68)
Status of specification	Full
Information required
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