Product Description Disperse Blue 72 Other Details Molecular Formula: C21H15NO3 Molecular Weight: 329.35 CAS Number: 81-48-1 Minimum Purity: 85% (HPLC) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:20 Days Sizes 2: 5g Leadtime:20 Days Sizes 3: 25g Leadtime:20 Days