Title: Benzo[
f]quinoline
CAS Registry Number: 85-02-9
Synonyms: b-Naphthoquinoline; 5,6-benzoquinoline; naphthopyridine
Molecular Formula: C13H9N
Molecular Weight: 179.22
Percent Composition: C 87.12%, H 5.06%, N 7.82%
Literature References: Prepn from from b-naphthylamine by the Skraup reaction: Knueppel,
Ber. 29, 703 (1896); Clem, Hamilton,
J. Am. Chem. Soc. 62, 2349 (1940); Uhle, Jacobs,
J. Org. Chem. 10, 76 (1945).
Properties: Crystals from alcohol + water, mp 93°. bp721 349-350°. uv max (ethanol): 347, 331, 316, 266, nm (log e 3.54, 3.41, 3.18, 4.06). Practically insol in water. Sol in dil acids; very sol in alcohol, ether, benzene.
Melting point: mp 93°
Boiling point: bp721 349-350°
Absorption maximum: uv max (ethanol): 347, 331, 316, 266
Use: As a reagent for the determination of cadmium which is pptd as (C13H9N)2H2(CdI4) from dil nitric or sulfuric acid soln in the presence of potassium iodide.