2,4,6-Tris(2-pyridyl)-s-triazine, >99%, 1 g , Sigma-Aldrich

DESCRIPTION

• General description 2,4,6-Tris(2-pyridyl)-s-triazine is a Case and Koft compound generally used in determination of iron in a colorimetric analysis.
• Other Notes Reagent for the spectrophotometric determination of Fe(II) and of total Fe

PROPERTIES

• Quality Level 100
• assay ≥99.0% (HPLC)
• form lumps
• quality for spectrophotometric det. of Fe
• technique(s) UV/Vis spectroscopy: suitable
• loss ≤0.1 wt. % loss on drying
• mp 247-249 °C (lit.) 248-252 °C
• solubility methanol: 100 mg/mL, clear to slightly hazy
• cation traces
• Ca: ≤10 mg/kg
• Cd: ≤5 mg/kg
• Co: ≤5 mg/kg
• Cr: ≤5 mg/kg
• Cu: ≤5 mg/kg
• Fe: ≤5 mg/kg
• K: ≤50 mg/kg
• Mg: ≤5 mg/kg
• Mn: ≤5 mg/kg
• Na: ≤100 mg/kg
• Ni: ≤5 mg/kg
• Pb: ≤5 mg/kg
• Zn: ≤5 mg/kg
• SMILES string c1ccc(nc1)-c2nc(nc(n2)-c3ccccn3)-c4ccccn4
• InChI 1S/C18H12N6/c1-4-10-19-13(7-1)16-22-17(14-8-2-5-11-20-14)24-18(23-16)15-9-3-6-12-21-15/h1-12H
• InChI key KMVWNDHKTPHDMT-UHFFFAOYSA-N

Specification Sheet

• Product Name 2,4,6-Tris(2-pyridyl)-s-triazine for spectrophotometric det. of Fe, ≥99.0% (HPLC)
• Product Number 93285
• Product Brand SIAL
• CAS Number 3682-35-7
• Molecular Weight 312.33

TEST SPECIFICATION

• APPEARANCE (COLOR) White to Faint Yellow and Faint Beige
• APPEARANCE (FORM) Powder or Crystals
• PURITY (HPLC AREA %) ≥ 99.0 %
• MELTING POINT 248 - 252 C
• SOLUBILITY (COLOR) Green-Yellow to Very Dark Green-Yellow to Very Dark Brown
• SOLUBILITY (TURBIDITY) Clear to Slightly Hazy
• SOLUBILITY (METHOD) 1G IN 10ML METHANOL
• LOSS ON DRYING ≤ 0.1 %
• CARBON CONTENT 69.22 % (THEORY)
• HYDROGEN CONTENT 3.87 % (THEORY)
• NITROGEN CONTENT 26.91 % (THEORY)
• INFRARED SPECTRUM CONFORMS TO STRUCTURE
• APPLICATION TEST SUITABLE FOR THE DETERMINATIONOF FE(II)
• METAL TRACE ANALYSIS (ICP) CORRESPONDS TO REQUIREMENTS
• CALCIUM (ICP) ≤ 10 mg/kg
• CADMIUM (ICP) ≤ 5 mg/kg
• COBALT (ICP) ≤ 5 mg/kg
• CHROMIUM (ICP) ≤ 5 mg/kg
• COPPER (ICP) ≤ 5 mg/kg
• IRON (ICP) ≤ 5 mg/kg
• POTASSIUM (ICP) ≤ 50 mg/kg
• MAGNESIUM (ICP) ≤ 5 mg/kg
• MANGANESE (ICP) ≤ 5 mg/kg
• SODIUM (ICP) ≤ 100 mg/kg
• NICKEL (ICP) ≤ 5 mg/kg
• LEAD (ICP) ≤ 5 mg/kg
• ZINC (ICP) ≤ 5 mg/kg
• RECOMMENDED RETEST PERIOD 28 MONTHS