Product Description Benzenesulfonic acid monohydrate Other Details Molecular Formula: C6H6O3S.H2O Molecular Weight: 176.19 CAS Number: 26158-00-9 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: 25g Leadtime:20 Days