Product Description Sodium benzenesulfinate dihydrate Other Details Molecular Formula: C6H9NaO4S Molecular Weight: 200.19 CAS Number: 25932-11-0 Minimum Purity: 0.98 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 25g Leadtime:20 Days Sizes 2: 100g Leadtime:20 Days Sizes 3: 500g Leadtime:20 Days