Food safety and quality: details

Flavouring	Propyl sorbate
Synonym(s)	(E,E)-2,4-hexadienoic acid propyl ester;trans,trans-2,4-hexadienoic acid propyl ester;propyl (2E,4E)-2,4-hexadienoate;propyl (2E,4E)-hexa-2,4-dienoate;propyl 2,4-hexadiene carboxylate;propyl 2,4-hexadienoate;sorbic acid propyl ester
Latest JECFA evaluation	2012 (Session 76)
Status of specification	Full
Information required
Chemical name	Propyl (2E,4E)-hexa-2,4-dienoate
JECFA number	2164
CAS number	10297-72-0
FEMA number	4614
COE number
FLAVIS number
Molecular weight	154.21
Chemical formula	C9H14O2
Physical form/odour	Clear colourless liquid; Sweet fruity aroma
Solubility	Practically insoluble to insoluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	205-207º
Assay min %	95%
Acid value max
Refractive index	1.488-1.491
Specific gravity	0.919-0.924 (20º)
Other requirements
ID Test	MS
Spectrum