Product Description Ponceau SX, tech. Other Details Molecular Formula: C18H14N2O7S2.2Na Molecular Weight: 480.43 CAS Number: 4548-53-2 Minimum Purity: 0 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:20 Days Sizes 2: 5g Leadtime:20 Days Sizes 3: 0 Leadtime:0