Food safety and quality: details

Flavouring	2-Ethyl-4,5-dimethyloxazole
Synonym(s)
Latest JECFA evaluation	2005 (Session 65)
Status of specification	Full
Information required
Chemical name	4,5-Dimethyl-2-ethyloxazole
JECFA number	1555
CAS number	53833-30-0
FEMA number	3672
COE number
FLAVIS number	13.091
Molecular weight	125.17
Chemical formula	C7H11ON
Physical form/odour	Colourless liquid; Burnt roasted aroma
Solubility	Insoluble in water; Slightly soluble in oils
Solubility in ethanol	Soluble
Boiling point (°C)	137° (732 mm Hg)
Assay min %	99%
Acid value max
Refractive index	1.454-1.460
Specific gravity	1.474-1.480
Other requirements
ID Test	NMR
Spectrum