Product Description Alizarin Yellow R sodium salt Other Details Molecular Formula: C13H8N3NaO5 Molecular Weight: 309.21 CAS Number: 1718-34-9 Minimum Purity: Dye content: 95% 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