5-Acetyl-2,4-dimethylthiazole Molecular Formula C7H9NOS Molecular Weight 155.21 5-Acetyl-2,4-dimethylthiazole Identification Name 5-Acetyl-2,4-dimethylthiazole Synonyms 5-Acetyl-2,4-dimethyl thiazole; 2,4-Dimethyl-5-acetylthiazole Molecular Structure Molecular Formula C7H9NOS Molecular Weight 155.21 CAS Registry Number 38205-60-6 EINECS 253-826-0 FEMA 3267 Properties Density 1.15 Boiling point 228-230 ºC Refractive index 1.535-1.545 Flash point 104 ºC