Food safety and quality: details

Flavouring	4-(Methylthio)-2-pentanone
Synonym(s)
Latest JECFA evaluation	2007 (Session 68)
Status of specification	Full
Information required
Chemical name	4-(Methylthio)-2-pentanone
JECFA number	1689
CAS number	143764-28-7
FEMA number	4182
COE number
FLAVIS number
Molecular weight	132.23
Chemical formula	C6H12OS
Physical form/odour	Almost colourless liquid; Pungent odour
Solubility	Slightly soluble
Solubility in ethanol	Soluble
Boiling point (°C)	181-183°
Assay min %	98%
Acid value max
Refractive index	1.4680-1.4720
Specific gravity	0.973-0.979
Other requirements
ID Test	CNMR HNMR MS
Spectrum