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CAS No 98-98-6 , pyridine-2-carboxylic acid

  • Name: pyridine-2-carboxylic acid
  • Synonyms: 2-Picolinic acid; alpha-Picolinic acid;pyridine-2-carboxylic acid; picolinate; 2-Carboxypyridine; 98-98-6;2-Pyridinecarboxylic acid; Pyridine-2-carboxylic acid;
  • CAS Registry Number:
  • Melting Point: 136-139 ºC
  • Flash Point: 130.7°C
  • Boiling Point: 292.5°Cat760mmHg
  • Density: 1.293g/cm3
  • Water Solubility: 887 G/L (20 ºC)
  • Safety Statements: R22;R36/37/38
  • Hazard Symbols: Xn: Harmful;
  • HS Code: 29333999
  • Flash Point: 130.7°C
  • EINECS: 202-719-7
  • Molecular Weight: 123.1094
  • InchiKey: SIOXPEMLGUPBBT-UHFFFAOYSA-N
  • InChI: InChI=1S/C6H5NO2/c8-6(9)5-3-1-2-4-7-5/h1-4H,(H,8,9)
  • Risk Statements: S24/25;S33
  • Molecular Formula: C6H5NO2
  • Molecular Structure:CAS No:98-98-6 pyridine-2-carboxylic acid

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References of pyridine-2-carboxylic acid
Title: Picolinic Acid
CAS Registry Number: 98-98-6
CAS Name: 2-Pyridinecarboxylic acid
Synonyms: o-pyridinecarboxylic acid
Molecular Formula: C6H5NO2
Molecular Weight: 123.11
Percent Composition: C 58.54%, H 4.09%, N 11.38%, O 25.99%
Literature References: Naturally occuring isomer of nicotinic acid; by-product of tryptophan catabolism. Prepn: Singer, McElvain, Org. Synth. coll. vol. III, 740 (1955). Review: Oliveto, "Pyridinecarboxylic Acids" in Pyridine and Its Derivatives Part 3, E. Klingsberg, Ed. (Interscience, New York, 1962) p 179. Review of immunobiology and effect on macrophage activation: G. Melillo et al., Adv. Exp. Med. Biol. 398, 135-141 (1996). HPLC determn in biological fluids: C. Dazzi et al., J. Chromatogr. B 751, 61 (2001).
Properties: Needles from water, alcohol or benzene, mp 134-136°. pK 5.4. Sublimes. Very sol in glacial acetic acid; practically insol in ether, chloroform, carbon disulfide.
Melting point: mp 134-136°
pKa: pK 5.4
 
Derivative Type: Hydrochloride
Properties: Crystals from abs ethanol/ether, mp 210-212° (slow heating).
Melting point: mp 210-212° (slow heating)