Food safety and quality: details

Flavouring	5-Methyl-2-(methylthiomethyl)-2-hexenal
Synonym(s)	Methyl-2-(methylthiomethyl)-2-hexenal
Latest JECFA evaluation	2010 (Session 73)
Status of specification	Full
Information required
Chemical name	5-methyl-2-(methylthiomethyl)-2-hexenal
JECFA number	1920
CAS number	85407-25-6
FEMA number	4567
COE number
FLAVIS number
Molecular weight	172.29
Chemical formula	C9H16OS
Physical form/odour	Clear colourless to yellow liquid; Strong oniony meat-like odour
Solubility	Practically insoluble or insoluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	96° (3 mm Hg)
Assay min %	95% (mixture of isomers)
Acid value max
Refractive index	1.494-1.504
Specific gravity	0.956-0.966 (20°)
Other requirements	Mixture of isomers: 50% cis, 50% trans
ID Test	MS
Spectrum