Product Description Disodium methanedisulfonate Other Details Molecular Formula: CH2Na2O6S2 Molecular Weight: 220.13 CAS Number: 5799-70-2 Minimum Purity: 0.95 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: 10g Leadtime:20 Days