Product Description Direct Black 17, tech. Other Details Molecular Formula: C24H22N6O5S.Na Molecular Weight: 529.52 CAS Number: 2945-96-2 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