Food safety and quality: details

Flavouring	2-trans,6-trans Nonadienal
Synonym(s)
Latest JECFA evaluation	2003 (Session 61)
Status of specification	Full
Information required
Chemical name	(2E,6E)-Nona-2,6-dienal
JECFA number	1187
CAS number	17587-33-6
FEMA number	3766
COE number
FLAVIS number	05.172
Molecular weight	138.21
Chemical formula	C9H14O
Physical form/odour	Liquid; tallowy aroma
Solubility	Not soluble in water; miscible in oil
Solubility in ethanol	soluble
Boiling point (°C)	88° (11mm Hg)
Assay min %	97%
Acid value max	3
Refractive index	1.439-1.445
Specific gravity	0.856-0.864
Other requirements
ID Test	NMR
Spectrum