Product Description Acid Alizarin Violet N Other Details Molecular Formula: C16H11N2O5S.Na Molecular Weight: 366.33 CAS Number: 2092-55-9 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 250mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 5g Leadtime:20 Days