Product Description Direct Yellow 12, tech. Other Details Molecular Formula: C30H26N4O8S2.2Na Molecular Weight: 680.67 CAS Number: 2870-32-8 Minimum Purity: Dye content 65% 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