Product Description Mordant Black 17 Other Details Molecular Formula: C20H13N2O5S.Na Molecular Weight: 416.39 CAS Number: 2538-85-4 Minimum Purity: 0 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