Synonyms: 5,6-Diphenyl-3-(2-pyridyl)-1,2,4-triazine-4′,4″-disulfonic acid sodium salt; PDT disulfonate
Formula: C20H13N4NaO6S2
Formula Weight: 492.46
CAS No.: 69898-45-9
Purity: ≥97.0% (T); ≥97.0%
Other Notes: Highly specific water-soluble reagent for the accurate determination of submicrogram levels of serum iron (pH 3.5-4.5, lmax 562 nm, A 29′000)1,2,3
Assay: ≥97.0% (T)
Cation Traces: Fe: ≤50 mg/kg
Impurities: ~7% water
MP: ≥300°C
Quality: for spectrophotometric det. of Fe