Product Description Toluidine Red Other Details Molecular Formula: C17H13N3O3 Molecular Weight: 307.3 CAS Number: 2425-85-6 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 25g Leadtime:20 Days Sizes 2: 0 Leadtime:0 Sizes 3: 0 Leadtime:0