CAS Number: 91-22-5. A pungent, oily, nitrogenous base obtained
usually by distillation of coal tar or by synthesis from
aniline. It is the parent compound of many alkaloids, drugs,
and dyes. Chemical formula = C9H7N. Molecular weight = 129.15
g/mol.
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Quinoline is used mainly as an intermediate in the manufacture of
other products. Potential exposure to quinoline may occur from
the inhalation of cigarette smoke. Quinoline breaks down quickly
in the atmosphere and water. Acute (short-term) inhalation
exposure to quinoline vapors irritates the eyes, nose, and throat
and may cause headaches, dizziness, and nausea in humans.
Information on the chronic (long-term), reproductive,
developmental, or carcinogenic effects of quinoline in humans is
not available. Liver damage has been observed in rats
chronically exposed to quinoline by ingestion. An increased
incidence of liver vascular tumors has been observed in rats and
mice orally exposed to quinoline. EPA has provisionally
classified quinoline as a Group C, possible human carcinogen