Product Description Alizarin complexone dihydrate Other Details Molecular Formula: C19H15NO8.2H2O Molecular Weight: 421.36 CAS Number: 455303-00-1 Minimum Purity: 0.95 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