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2,6-Pyridinedicarboxylic acid

  • 499-83-2
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Name 2,6-Pyridinedicarboxylic acid
Basic Information
Synonyms
CAS number 499-83-2
EINECS 207-894-3
Formula C7H5NO4
Molecular Weight 167.12
Melting Point 248-250 °C (dec.)(lit.)
Flashing Point 188 °C
Water Solubility  5 g/L (20 ºC)
Boiling Point 295.67°C (rough estimate)
Density  1.5216 (rough estimate)
Storage temp Store below +30°C.
Refractive index  1.6280 (estimate)
Safety Information
Hazard Codes  Xi
Risk Statements 36/37/38-37/38-36
Safety Statements 26-36-24/25-37
HS Code  29333999
Description
Used to prepare dipicolinato ligated lanthanide1   and transition metal2 complexes.
    2,6-Pyridinedicarboxylic acid is an amphoteric polar metabolite produced by   many bacterial and fungal species. Prior to its discovery as a microbial   metabolite, dipicolinic acid had long been recognised as a chelating agent   for many metal ions. Wide distribution of dipicolinic acid among microbes   makes it an important dereplication standard in discovery. Dipicolinic acid   reaches high concentrations (~10% w/w) in Bacillus endospores aiding heat   resistance and is used in laboratories as a marker for the effectiveness of   sterilisation.