"3-(2-Pyridyl)-5,6-di(2-furyl)-1,2,4-triazine-5',5''-disulfonic acid disodium salt, for spectrophotometric det. of Fe, =99.0%"

Synonyms: 5,5′-[3-(2-Pyridyl)-1,2,4-triazine-5,6-diyl]difuran-2-sulfonic acid disodium salt

Formula: C₁₆H₈N₄Na₂O₈S₂

Formula Weight: 494.37

CAS No.: 79551-14-7

Purity: ≥99.0% (TLC); ≥99.0%

Other Notes: Colorimetric reagent for iron, which is more sensitive than other reagents (e.g. Ferrozine), molar absorptivity 35500 liters/mol cm^1,2,3