Synonyms: 3,4-Dihydroxy-9,10-dioxo-2-anthracenesulfonic acid sodium saltCI 58005 Purity Limit: ≥ 72% (Dye content (spectrophotometry)) CAS No.: 130-22-3 Molecular Formula: C14H7O7SNa Molecular Weight: 342.26 MDL No.: MFCD00013049 Appearance: Brownish yellow powder Comments: …