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02321 Sigma-Aldrich

2,6-Pyridinedicarboxylic acid

for ion chromatography, ≥99.5% (T)

Synonym: DPA, DPAc, Dipicolinic acid

  • CAS Number 499-83-2

  • Empirical Formula (Hill Notation) C7H5NO4

  • Molecular Weight 167.12

  •  Beilstein Registry Number 131629

  •  EC Number 207-894-3

  •  MDL number MFCD00006299

  •  PubChem Substance ID 329747412

  •  eCl@ss 39151816

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Chromatography Reagents & Solvents, Ion Chromatography Reagents,
grade   for ion chromatography
InChI Key   WJJMNDUMQPNECX-UHFFFAOYSA-N
assay   ≥99.5% (T)
mp   248-250 °C (dec.)(lit.)
solubility   H2O: soluble1%, clear
anion traces   phosphate (PO43-): ≤5 mg/kg
cation traces   Al: ≤5 mg/kg
  Ba: ≤5 mg/kg
  Ca: ≤50 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤2 mg/kg
  K: ≤100 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg

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Laboratory Gloves
Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
Flash Point(F) 
370.4 °F
Flash Point(C) 
188 °C

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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72064 Sodium hydroxide solution, 50-52% in water, eluent for IC
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68279 Sulfuric acid concentrate, 0.1 M H2SO4 in water (0.2N), eluent concentrate for IC
36486 Sodium bicarbonate concentrate, 0.1 M NaHCO3 in water, eluent concentrate for IC
56169 Sodium carbonate concentrate, 0.1 M Na2CO3 in water, eluent concentrate for IC
68487 Oxalic acid concentrate, 0.1 M (COOH)2 (0.2N), eluent concentrate for IC
16355 Nitric acid concentrate, 0.1 M HNO3 in water (0.1N), eluent concentrate for IC
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50439 Perchloric acid concentrate, 0.01 M HClO4 in water (0.01N), eluent concentrate for IC
43617 Sodium hydroxide concentrate, 0.1 M NaOH in water (0.1N), Eluent concentrate for IC
50972 2,6-Pyridinedicarboxylic acid concentrate, 0.02 M C7H5NO4 in water (0.04N), for ion chromatography, eluent concentrate
61699 Potassium hydroxide concentrate, 0.1 M KOH in water (0.1N), Eluent concentrate for IC
00612 Water, for ion chromatography
61905 Nitric acid/Dipicolinic acid concentrate, HNO3 34 mM and Dipicolinic acid 14 mM in water, IC eluent concentrate (20x) for Metrosep C 4
62414 Sodium bicarbonate/Sodium carbonate concentrate, Na2CO3 64mM and NaHCO3 20mM in water, IC eluent concentrate (20x) for Metrosep A Supp 5
72784 Sodium carbonate concentrate, Na2CO3 72 mM in water, IC eluent concentrate (20x) for Metrosep A Supp 7
75335 Sodium bicarbonate/Sodium carbonate concentrate, Na2CO3 100 mM and NaHCO3 100 mM in water, IC eluent concentrate (20x) for Metrosep A Supp 10
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19399 Nitric acid/Dipicolinic acid concentrate, HNO3 17 mM and Dipicolinic acid 17 mM in water, IC eluent concentrate (10x) for Metrosep C 6
69523 Sodium bicarbonate/Sodium carbonate concentrate, Na2CO3 36 mM and NaHCO3 34 mM in water, IC eluent concentrate (20x) for Metrosep A Supp 4

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