2-Isobutyl thiazole: Appearance: Colorless to pale yellow liquid Odor: Green tomato leaf vine-like Assay: 99% Assay (GC): ≥99% Specific gravity @ 20°C: 0.995 ~ 1.004 Refractive index @ 20°C: 1.491 ~ 1.499 Flash point (°C): 57 2-Isobutylthiazole Identification Name 2-Isobutylthiazole Synonyms 2-(2-Methylpropyl)-thiazole Molecular Structure Molecular Formula C7H11NS Molecular Weight 141.23 CAS Registry Number 18640-74-9 EINECS 242-470-1 FEMA 3134 Properties Density 0.99 Boiling point 180 ºC Refractive index 1.495-1.497 Flash point 57 ºC