Food safety and quality: details

Flavouring	cis- and trans-5-Ethyl-4-methyl-2-(2-methylpropyl)-thiazoline
Synonym(s)	2-Isobutyl-4-methyl-5-ethylthiazoline;5-Ethyl-2,5-dihydro-4-methyl-2-(2-methylpropyl)-thiazole
Latest JECFA evaluation	2007 (Session 68)
Status of specification	Full
Information required
Chemical name	5-Ethyl-4-methyl-2-(2-methylpropyl)-thiazoline
JECFA number	1761
CAS number	83418-53-5
FEMA number	4319
COE number
FLAVIS number
Molecular weight	185.33
Chemical formula	C10H19NS
Physical form/odour	Yellow liquid; Meaty, nutty, cooked, brown roasted aroma
Solubility	Soluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	252-253°
Assay min %	96%
Acid value max
Refractive index	1.483-1.489
Specific gravity	0.942-0.947
Other requirements
ID Test	CNMR HNMR MS
Spectrum