Title: 8-Quinolinecarboxylic Acid
CAS Registry Number: 86-59-9
Molecular Formula: C10H7NO2
Molecular Weight: 173.17
Percent Composition: C 69.36%, H 4.07%, N 8.09%, O 18.48%
Literature References: Prepd by heating 2-aminobenzoic acid with 2-nitrobenzoic acid, glycerol and sulfuric acid: Schlosser, Skraup, Monatsh. Chem. 2, 530 (1881); by oxidizing 8-quinolylaldehyde with chromic acid: Howitz, Ber. 35, 1275 (1902).
Properties: Needles from water. mp 186-187.5°. Sublimes above mp. Slightly sol in cold water, appreciably sol in hot water and in alcohol. Freely sol in acids and alkalies.
Melting point: mp 186-187.5°
Use: Detection of cadmium, copper, iron, lead, mercury, silver, thallium; quantitative determination of copper. |