Nevileand winther's acid dry power, 80% pulp, 70% Product Name: 1-Naphthol-4-Sulfonic AcidStructural Formula: Molecular Formula: C10H8O4S Formular Weight: 224.17 Standard: HG/T 2897—1997 CAS No. : 84-87-7EINECS No.: 201-568-4Properties & Use: white to yellow wet paste or dry powder, easily soluble in water. It is mainly used as intermediate for azo dyes. Quality Spec.: ...