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Online Edition: "Specifications for Flavourings"

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Online help About the data Analytical Methods (Volume 4)

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Flavouring	2,5-Dimethylthiazole
Synonym(s)	-
Latest JECFA evaluation	2007 (Session 68)
Status of specification	Full
Chemical name	2,5-Dimethylthiazole
JECFA number	1758
CAS number	4175-66-0
FEMA number	4035
COE number	-
FLAVIS number	15.063
Molecular weight	113.18
Chemical formula	C₅H₇NS
Physical form/odour	Yellow liquid; Cooked, brown and roasted nutty aroma
Solubility	Soluble in non-polar solvents; slightly soluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	148-150°
Assay min %	95%
Acid value max	-
Refractive index	1.523-1.527
Specific gravity	1.114-1.124 (20°)
Other requirements	-
ID Test	CNMR HNMR IR MS
Spectrum	http://www.fao.org/ag/agn/jecfa-flav/img/jecfa68/1758-cnmr.gif http://www.fao.org/ag/agn/jecfa-flav/img/jecfa68/1758-hnmr.gif http://www.fao.org/ag/agn/jecfa-flav/img/jecfa68/1758-ir.gif http://www.fao.org/ag/agn/jecfa-flav/img/jecfa68/1758-ms.gif

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