Food safety and quality: details

Flavouring	5-Ethyl-2-methylthiazole
Synonym(s)	5-Ethyl-2-methyl-1,3-thiazole;5-Ethyl-2-methylthiazole
Latest JECFA evaluation	2012 (Session 76)
Status of specification	Full
Information required
Chemical name	4-Ethyl-2-methyl-1,3-thiazole
JECFA number	2113
CAS number	19961-52-5
FEMA number	4388
COE number
FLAVIS number	15.068
Molecular weight	127.21
Chemical formula	C6H9NS
Physical form/odour	Colourless liquid; Nutty chocolate aroma with fishy pyrazine notes
Solubility	Practically insoluble to insoluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	170-173°
Assay min %	95%
Acid value max
Refractive index	1.501-1.511
Specific gravity	1.026-1.036 (20°)
Other requirements
ID Test	MS HNMR CNMR
Spectrum