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CAS No 59-00-7 , 8-hydroxy-4-oxo-1H-quinoline-2-carboxylic acid

  • Name: 8-hydroxy-4-oxo-1H-quinoline-2-carboxylic acid
  • Synonyms: 8-hydroxy-4-oxo-1H-quinoline-2-carboxylic acid; Xanthurenate; 4,8-Dihydroxyquinaldic acid; 8-Hydroxykynurenic acid; Xanthuric acid; 59-00-7;4,8-Dihydroxyquinoline-2-carboxylic acid;
  • CAS Registry Number:
  • Melting Point: 297-298 ºC
  • Flash Point: 205.8°C
  • Boiling Point: 416.8°Cat760mmHg
  • Density: 1.569g/cm3
  • Refractive index: 1.681
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • Flash Point: 205.8°C
  • EINECS: 200-410-1
  • Molecular Weight: 205.16688
  • InchiKey: FBZONXHGGPHHIY-UHFFFAOYSA-N
  • InChI: InChI=1S/C10H7NO4/c12-7-3-1-2-5-8(13)4-6(10(14)15)11-9(5)7/h1-4,12H,(H,
    11,13)(H,14,15)
  • Risk Statements: S26;S37/39
  • Molecular Formula: C10H7NO4
  • Molecular Structure:CAS No:59-00-7 8-hydroxy-4-oxo-1H-quinoline-2-carboxylic acid

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References of 8-hydroxy-4-oxo-1H-quinoline-2-carboxylic acid
Title: Xanthurenic Acid
CAS Registry Number: 59-00-7
CAS Name: 4,8-Dihydroxy-2-quinolinecarboxylic acid
Synonyms: 4,8-dihydroxyquinaldic acid
Molecular Formula: C10H7NO4
Molecular Weight: 205.17
Percent Composition: C 58.54%, H 3.44%, N 6.83%, O 31.19%
Literature References: Excreted by pyridoxine-deficient animals after the ingestion of tryptophan. Isoln from the urine of albino rats fed almost exclusively on fibrin: Musajo, Gazz. Chim. Ital. 67, 165 (1937). Synthesis from ethyl oxalacetate and o-anisidine: Musajo, Minchilli, Ber. 74, 1842 (1941); Mebane, Oroshnik, J. Am. Chem. Soc. 73, 3520 (1951); Furst, Olsen, J. Org. Chem. 16, 412 (1951).
Properties: Sulfur-yellow crystals, mp 286°. uv max (water): 243, 342 nm (e 30000, 6500). Insol in water. Sol in aq alkali hydroxides and carbonates (yellow solns) and in hot dil HCl. It gives a red color with Millon reagent, intense ruby-red with alkali diazobenzenesulfonates, and intense green with FeSO4. When the acid is dissolved in very dil NaHCO3, the green color with FeSO4 is still visible at a diln of 1:200,000.
Melting point: mp 286°
Absorption maximum: uv max (water): 243, 342 nm (e 30000, 6500)
 
Derivative Type: Methyl ester
Molecular Formula: C11H9NO4
Molecular Weight: 219.19
Percent Composition: C 60.28%, H 4.14%, N 6.39%, O 29.20%
Properties: Yellow crystals, dec 262°. Sol in NH4OH, alkali hydroxides and carbonates.