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C5H10NC3H7 A colorless, oily liquid with a mousy odor and a boiling point of 166°C; soluble in alcohol, ether, and oils; used as a sedative. Also known as propylpiperidine.



C8H17N a basic alkaloid and toxic agent of poison hemlock. A colorless liquid with a pungent odor, it dissolves readily in organic solvents; it is slightly soluble in water. Coniine occurs in all parts of plants, primarily in the fruits and seeds (up to 1 percent). It is formed in plant cells from acetic acid and lysine amino-acid radicals. The German chemist A. Ladenburg first synthesized the natural alkaloid in 1886. Coniine is a strong poison with a neuroparalytic effect.

References in periodicals archive ?
99) The most important are coniine that causes initial stimulation followed by depression of the nervous system and [gamma]-coniceine (effects similar to those of nicotine).
A herbaceous plant with leaves typical of the carrot family, hemlock, shown in Figure 21-12, contains the toxin coniine.
Morphine found in opium, atropine in henbane, scopolamine in mandrake, and coniine in hemlock can all induce sleep.
The poison is a volatile alkaloid, coniine, found in the foliage all season and in the seeds in late summer.