Food safety and quality: details

Flavouring	4-Methyl-2-phenyl-2-pentenal
Synonym(s)	2-Pentenal, 4-methyl-2-phenyl-;2-Phenyl-4-methylpent-2-enal
Latest JECFA evaluation	2004 (Session 63)
Status of specification	Full
Information required
Chemical name	4-Methyl-2-phenylpent-2-enal
JECFA number	1473
CAS number	26643-91-4
FEMA number	3200
COE number
FLAVIS number	05.100
Molecular weight	174.24
Chemical formula	C12H14O
Physical form/odour	Colourless to slightly yellow liquid; Cocoa-like aroma
Solubility	Soluble in oils; Insoluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	96° (0.7 mm Hg)
Assay min %	95%
Acid value max	10
Refractive index	1.533-1.539
Specific gravity	0.980-0.986
Other requirements
ID Test	NMR
Spectrum