02321

2,6-Pyridinedicarboxylic acid

suitable for ion chromatography, ≥99.5% (T)

• Synonym(s): DPA, DPAc, Dipicolinic acid
• Empirical Formula (Hill Notation): C₇H₅NO₄
• CAS Number: 499-83-2
• Molecular Weight: 167.12
• Beilstein/REAXYS Number: 131629
• EC Number: 207-894-3
• MDL number: MFCD00006299
• UNSPSC Code: 41116105
• eCl@ss: 39151816
• PubChem Substance ID: 329747412
• NACRES: NB.21

Properties

• description: anionic
• Quality Level: 100
• assay: ≥99.5% (T)
• technique(s): ion chromatography: suitable
• mp: 248-250 °C (dec.) (lit.)
• solubility: H₂O: 1%, clear
• anion traces: phosphate (PO₄^3-): ≤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
• SMILES string: OC(=O)c1cccc(n1)C(O)=O
• InChI: 1S/C7H5NO4/c9-6(10)4-2-1-3-5(8-4)7(11)12/h1-3H,(H,9,10)(H,11,12)
• InChI key: WJJMNDUMQPNECX-UHFFFAOYSA-N

Description

Application

Metrohm IC application note AN-C-163: Cations inbrine with minimal dilution and sub-μL injection.

Metrohm IC application note AN-C-172: Cations insnow from an open field.

Metrohm IC application note AN-C-143: Ammonia inaddition to standard cations in maritime pore water.

Linkage

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Safety Information

• pictograms: GHS05,GHS07
• signalword: Danger
• hcodes: H314,H335
• pcodes: P260 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Skin Corr. 1B - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 8A - Combustible corrosive hazardous materials
• wgk_germany: WGK 3
• flash_point_f: 370.4 °F - closed cup
• flash_point_c: 188 °C - closed cup
• ppe: dust mask type N95 (US), Eyeshields, Gloves