Quinaldic acid

Last updated
Quinaldic acid
2-quinolinecarboxylic acid.svg
Names
IUPAC name
quinoline-2-carboxylic acid
Other names
2-Carboxyquinoline
2-Quinolinecarboxylic acid
Identifiers
3D model (JSmol)
126322
ChEBI
ChEMBL
DrugBank
EC Number
  • 202-218-3
143145
KEGG
PubChem CID
UNII
  • InChI=1S/C10H7NO2/c12-10(13)9-6-5-7-3-1-2-4-8(7)11-9/h1-6H,(H,12,13)
    Key: LOAUVZALPPNFOQ-UHFFFAOYSA-N
  • C1=CC=C2C(=C1)C=CC(=N2)C(=O)O
Properties
C10H7NO2
Molar mass 173.171 g·mol−1
14000 mg/L
Hazards
GHS labelling:
GHS-pictogram-exclam.svg
Warning
H315, H319, H335
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Quinaldic acid is an organic chemical compound. [1] [2] [3] [4]

Quinaldic acid can form a zwitterion, where a proton is transferred from the carboxylic acid group to the nitrogen atom. [5] Neptunium and uranium can form mixed ligand compounds with quinaldic acid. [5]

Quinaldic acid has been used in the gravimetric analysis of uranium in the form of uranyl ion. This is precipitated by forming an insoluble salt with quinaldic acid. When incinerated U3O8 is formed and can be weighed. [6]

References

  1. ↑ PubChem. "Quinaldic Acid". pubchem.ncbi.nlm.nih.gov. Retrieved 2025-12-09.
  2. ↑ "Quinaldic Acid". go.drugbank.com. Retrieved 2025-12-09.
  3. ↑ PubChem. "Quinaldic acid, 1,2,3,4-tetrahydro-8-hydroxy-4-oxo-, L-". pubchem.ncbi.nlm.nih.gov. Retrieved 2025-12-09.
  4. ↑ Tajieva, Galiya R.; Ali Siddique, Sabir; Ibragimov, Aziz B.; Mohamed, Shaaban K.; Ibragimova, Mavlyuda R.; Abuelizz, Hatem A.; Al-Salahi, Rashad; M.Ashurov, Jamshid; Ibragimov, Bakhtiyar T.; Gao, Junkuo; El Bakri, Youness (2024-08-01). "Synthesis and characterization of novel quinaldic acid based Ni, Fe, and Cr Complexes: A computational and experimental study". Inorganic Chemistry Communications. 166 112590. doi:10.1016/j.inoche.2024.112590. ISSN   1387-7003.
  5. 1 2 Andreev, Grigory; Budantseva, Nina; Fedoseev, Aleksander (September 2022). "The novel U(VI) and Np(VI) mixed-ligand complexes based on quinaldic acid zwitterion". Polyhedron. 224 116003. doi:10.1016/j.poly.2022.116003.
  6. ↑ Ware, Elinor (1947). Organic Reagents for Uranium Analysis. Technical Information Division, Oak Ridge Operations. p. 18.
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