Food safety and quality: details

Flavouring	trans,trans-2,4-Octadienal
Synonym(s)
Latest JECFA evaluation	2003 (Session 61)
Status of specification	Full
Information required
Chemical name	(2E,4E)-Octa-2,4-dienal
JECFA number	1181
CAS number	30361-28-5
FEMA number	3721
COE number
FLAVIS number	05.186
Molecular weight	124.18
Chemical formula	C8H12O
Physical form/odour	Liquid; fatty, green, sour aroma
Solubility	Insoluble in water; miscible in fats
Solubility in ethanol	soluble
Boiling point (°C)	105-106° (8 mm Hg)
Assay min %	99%
Acid value max	2
Refractive index	1.519-1.525
Specific gravity	0.832-0.839
Other requirements
ID Test	IR NMR
Spectrum