Product Description Acid Orange 156, tech. Other Details Molecular Formula: C21H19N4NaO5S Molecular Weight: 462.45 CAS Number: 68555-86-2 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