Synonyms: FerrozinePDT disulfonate5,6-Diphenyl-3-(2-pyridyl)-1,2,4-triazine-4',4''-disulfonic acid sodium salt Purity Limit: 98% CAS No.: 69898-45-9 Molecular Formula: C20H13N4O6S2Na Molecular Weight: 492.5 MDL No.: MFCD00078417 Appearance: Yellow powder or solid Storage Temperature: Store at RT