Food safety and quality: details

Flavouring	(E,E)-2,4-Hexadienal
Synonym(s)	Sorbaldehyde;2,4-Hexadienal, (trans, trans)-;2-Propyleneacrolein;Sorbic aldehyde
Latest JECFA evaluation	2003 (Session 61)
Status of specification	Full
Information required
Chemical name	(2E,4E)-Hexa-2.4-dienal
JECFA number	1175
CAS number	142-83-6
FEMA number	3429
COE number
FLAVIS number	05.057
Molecular weight	96.13
Chemical formula	C6H8O
Physical form/odour	Yellow liquid; powerful but sweet-green aroma, in dilution pleasant citrusy green
Solubility	Slightly soluble in water; miscible in oils
Solubility in ethanol	soluble
Boiling point (°C)	64° (15 mm Hg)
Assay min %	97%
Acid value max	1
Refractive index	1.538-1.543
Specific gravity	0.896-0.902 (20°)
Other requirements
ID Test	MS
Spectrum