Product Description Benzenesulfonic anhydride Other Details Molecular Formula: C12H10O5S2 Molecular Weight: 298.33 CAS Number: 512-35-6 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: 0 Leadtime:0