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Online Edition: "Specifications for Flavourings"

Flavouring 2,4-Dimethyl-5-acetylthiazole
Synonym(s) 2,4-Dimethyl-5-thiazoyl methyl ketone
Latest JECFA evaluation 2002 (Session 59)
Status of specification Full
Chemical name 5-Acetyl-2,4-dimethylthiazole
JECFA number 1055
CAS number 38205-60-6
FEMA number 3267
COE number 2336
FLAVIS number
Molecular weight 155.22
Chemical formula C7H9ONS
Physical form/odour Clear, colourless to pale yellow liquid; slightly sulferous, meaty, nutty odour
Solubility Insoluble in water; Soluble in fats, oils, most organic solvents
Solubility in ethanol Miscible at room temperature
Boiling point (°C) 228-230°
Assay min % 97%
Acid value max
Refractive index 1.536-1.547
Specific gravity 1.147-1.152
Other requirements