Chinoline

[f. CHINA³ + L. ol-eum oil + -INE.] A tertiary amine C₉ H₇ N (belonging to the series C_n H_2n·11 N), an oily fluid, obtained by the distillation of quinine or cinchonine with potassium hydroxide; and also by the dry distillation of coal. Chinoline-blue, a fine blue color produced by dissolving in alcohol the black resinous precipitate obtained from a mixture of chinoline oil, iodide of amyl, and caustic soda.

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1853. Pharmac. Jrnl., XIII. 134. The sulphates of … chinoline, picoline … are … insoluble.

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1864. Reader, 8 Oct., 450. Chinoline blue.

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1883. Nature, XXVII. 288. Two isomerous bodies, Chinoline and Chinoleine.

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1883–4. Med. Ann., 14/1. Chinoline … is a transparent, colourless, mobile oil.

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