Product Description Vat Violet 13, tech. Other Details Molecular Formula: C28H14N2O4 Molecular Weight: 442.42 CAS Number: 4424-87-7 Minimum Purity: 0 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:20 Days Sizes 2: 0 Leadtime:0 Sizes 3: 0 Leadtime:0