Product Description 1-Amino-2-naphthol-6-sulfonic acid Other Details Molecular Formula: C10H9NO4S Molecular Weight: 239.25 CAS Number: 5639-34-9 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 25mg Leadtime:65 Days Sizes 2: 50mg Leadtime:65 Days Sizes 3: 100mg Leadtime:65 Days