Food safety and quality: details

Flavouring	(E,Z)-4-Methylpent-2-enoic acid
Synonym(s)
Latest JECFA evaluation	2008 (Session 69)
Status of specification	Full
Information required
Chemical name	4-Methyl-2-pentenoic acid
JECFA number	1818
CAS number	10321-71-8
FEMA number	4180
COE number
FLAVIS number	08.099
Molecular weight	114.14
Chemical formula	C6H10O2
Physical form/odour	Colourless liquid; Fatty fruity aroma
Solubility	Slightly soluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	203-204°
Assay min %	98%
Acid value max
Refractive index	1.442-1.453
Specific gravity	0.950-0.960
Other requirements
ID Test	MS
Spectrum