Product Description 4,4'-Sulfonylbis(phenoxybenzene) Other Details Molecular Formula: C24H18O4S Molecular Weight: 402.46 CAS Number: 1623-91-2 Minimum Purity: 0.97 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 250mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 5g Leadtime:20 Days