Product Description 1-Naphthol-4-sulfonic acid Other Details Molecular Formula: C10H8O4S Molecular Weight: 224.23 CAS Number: 84-87-7 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