Specification Sheet
Product Name 2,6-Pyridinedicarboxylic acid,
for ion chromatography, ≥99.5% (T)
Product Number 02321
Product Brand SIAL
CAS Number 499-83-2
Molecular Weight 167.12
 
TEST SPECIFICATION
APPEARANCE (COLOR) Colorless or White
APPEARANCE (FORM) Powder or Crystals
TITRATION (T) NAOH 0.1M ≥ 99.5 %
PURITY (GC AREA %) ≥ 99.5 %
RESIDUE ON IGNITION ≤ 0.05 %
PROTON NMR SPECTRUM CONFORMS TO STRUCTURE
ALUMINIUM (ICP) ≤ 10 mg/kg
BARIUM (ICP) ≤ 10 mg/kg
BISMUTH (ICP) ≤ 10 mg/kg
CALCIUM (ICP) ≤ 10 mg/kg
CADMIUM (ICP) ≤ 5.0 mg/kg
COBALT (ICP) ≤ 5.0 mg/kg
CHROMIUM (ICP) ≤ 5.0 mg/kg
COPPER (ICP) ≤ 5.0 mg/kg
IRON (ICP) ≤ 2.0 mg/kg
POTASSIUM (ICP) ≤ 100 mg/kg
LITHIUM (ICP) ≤ 5.0 mg/kg
MAGNESIUM (ICP) ≤ 5.0 mg/kg
MANGANESE (ICP) ≤ 5.0 mg/kg
MOLYBDENUM (ICP) ≤ 5.0 mg/kg
SODIUM (ICP) ≤ 50 mg/kg
NICKEL (ICP) ≤ 5.0 mg/kg
LEAD (ICP) ≤ 5.0 mg/kg
STRONTIUM (ICP) ≤ 5.0 mg/kg
ZINC (ICP) ≤ 5.0 mg/kg
PHOSPHATE (PO4) ≤ 5.0 mg/kg
RECOMMENDED RETEST PERIOD 42 MONTHS