Product Description Acid Red 18, tech. Other Details Molecular Formula: C20H11N2O10S3.3Na Molecular Weight: 604.48 CAS Number: 2611-82-7 Minimum Purity: 0 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 5g Leadtime:20 Days Sizes 2: 25g Leadtime:20 Days Sizes 3: 100g Leadtime:20 Days