82950

3-(2-Pyridyl)-5,6-diphenyl-1,2,4-triazine-4′,4′′-disulfonic acid sodium salt

for spectrophotometric det. of Fe, 97.0%

• Synonym(s): 5,6-Diphenyl-3-(2-pyridyl)-1,2,4-triazine-4′,4″-disulfonic acid sodium salt, PDT disulfonate
• Empirical Formula (Hill Notation): C₂₀H₁₃N₄NaO₆S₂
• CAS Number: 69898-45-9
• Molecular Weight: 492.46
• NACRES: NA.21
• PubChem Substance ID: 329769272
• UNSPSC Code: 12352200
• EC Number: 274-196-3
• MDL number: MFCD00078417

Properties

• Quality Segment: 100
• assay: 97.0%
• form: solid
• quality: for spectrophotometric det. of Fe
• technique(s): UV/Vis spectroscopy: suitable
• impurities: ~7% water
• mp: ≥300 °C
• cation traces: Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤50 mg/kg, Mo: ≤50 mg/kg, Ni: ≤50 mg/kg, V: ≤50 mg/kg, Zn: ≤50 mg/kg
• SMILES string: [Na+].OS(=O)(=O)c1ccc(cc1)-c2nnc(nc2-c3ccc(cc3)S([O-])(=O)=O)-c4ccccn4
• InChI: 1S/C20H14N4O6S2.Na/c25-31(26,27)15-8-4-13(5-9-15)18-19(14-6-10-16(11-7-14)32(28,29)30)23-24-20(22-18)17-3-1-2-12-21-17;/h1-12H,(H,25,26,27)(H,28,29,30);/q;+1/p-1
• InChI key: ZGVNYCXXBQPDPQ-UHFFFAOYSA-M

Description

General description

3-(2-Pyridyl)-5,6-diphenyl-1,2,4-triazine-4′,4′′-disulfonic acid sodium salt also known as Ferrozine is a chelating agent for ferrous iron.

Application

It was used in determining of chelating activity of Fe²⁺ using Boyer and McCleary method.

Other Notes

Highly specific water-soluble reagent for the accurate determination of submicrogram levels of serum iron (pH 3.5-4.5, l_max 562 nm, A 29′000)[1][2]

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)