2-Methylthio Thiazole Assay: 99% min. Appearance: Colorless liquid Molecular Weight: 131.22 Assay: 99% min. Heavy Metals (as Pb): 10ppm max. As: 3ppm max. Package: 1/5kg net aluminium bottle Or 25/50/200kg net iron drum 2-Methylthiothiazole Identification Name 2-Methylthiothiazole Molecular Structure Molecular Formula C4H5NS2 Molecular Weight 131.22 CAS Registry Number 5053-24-7 Properties Density 1.271 Boiling point 205-207 ºC Refractive index 1.6080 Flash point 91 ºC