Product Description Phenylhydrazine-4-sulfonic acid Other Details Molecular Formula: C6H8N2O3S Molecular Weight: 188.2 CAS Number: 98-71-5 Minimum Purity: >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: 100g Leadtime:20 Days