Product Description Lawesson reagent Other Details Molecular Formula: C14H14O2P2S4 Molecular Weight: 404.47 CAS Number: 19172-47-5 Minimum Purity: 0.98 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 4x25g Leadtime:20 Days Sizes 2: 25g Leadtime:20 Days Sizes 3: 100g Leadtime:20 Days