Product Description One Dye Black 1 Other Details Molecular Formula: C31H28N2O3 Molecular Weight: 476.57 CAS Number: 29512-49-0 Minimum Purity: 99% (HPLC) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 100mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 0 Leadtime:0