Food safety and quality: details

Flavouring	(+/-)-3-(Methylthio)heptanal
Synonym(s)
Latest JECFA evaluation	2007 (Session 68)
Status of specification	Full
Information required
Chemical name	3-(Methylthio)heptanal
JECFA number	1692
CAS number	51755-70-5
FEMA number	4183
COE number
FLAVIS number	12.273
Molecular weight	160.28
Chemical formula	C8H16OS
Physical form/odour	Clear, colourless liquid; Cooked brown and roasted aroma
Solubility	Insoluble in water; soluble in heptane and triacetin
Solubility in ethanol	Soluble
Boiling point (°C)	95-96°
Assay min %	92%
Acid value max
Refractive index	1.469-1.475
Specific gravity	0.943-0.947
Other requirements	Also contains 5-7% 2-(E)-heptenal
ID Test	HNMR IR MS
Spectrum