Product Description Acid Red 249 Other Details Molecular Formula: C29H20ClN3Na2O10S3 Molecular Weight: 748.11 CAS Number: 6416-66-6 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