\\ˈpikəˌlēn, -_lə̇n\ noun (-s)
Etymology: International Scientific Vocabulary pic- (from Latin pic-, pix pitch) + -ol + -ine — more at pitch
: any of three liquid pyridine bases CH3C5H4N that are monomethyl derivatives of pyridine, are found in coal tar, ammonia liquor, and bone oil, and are used chiefly as solvents and in organic synthesis:
a. : the flammable alpha derivative that has an odor resembling that of pyridine — called also 2-picoline
b. : the beta derivative that has a sweetish odor and is used in making nicotinic acid — called also 3-picoline
c. : the gamma derivative used in making isonicotinic acid — called also 4-picoline

Useful english dictionary. 2012.

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  • Picoline — refers to three different methylpyridine isomers, all with the chemical formula C6H7N and a molar mass of 93.13 g mol−1. All three are colourless liquids at room temperature and pressure and are miscible with water and most organic solvents. Data …   Wikipedia

  • Picoline — Name 2 Picolin 3 Picolin 4 Picolin Andere Namen α Picolin, 2 Methylpyridin β Picolin, 3 Methylpyridin γ Picolin, 4 Methylpyridin Strukturformel …   Deutsch Wikipedia

  • Picoline —   [Kurzwort], Methylpyridine, Bezeichnung für die drei stellungsisomeren Monomethylderivate des Pyridins (α , β und γ Picoline). Die Picoline sind flüssige Substanzen, die neben Pyridin (u. a. Pyridinbasen) im Steinkohlenteer vorkommen. β Picolin …   Universal-Lexikon

  • Picoline — Pic o*line, n. [L. pix, picis, pitch + oleum oil + ine.] (Chem.) Any one of three isometric bases ({C6H7N}) related to pyridine, and obtained from bone oil, acrolein ammonia, and coal tar naphtha, as colorless mobile liquids of strong odor;… …   The Collaborative International Dictionary of English

  • Picoline — (Methylpyridine) C6H7N oder C5H4N.CH3, drei Basen, die sich im Steinkohlenteer und Knochenöl finden, farblose Flüssigkeiten bilden und mit Platinchlorid kristallisierbare Doppelsalze liefern. αPicolin siedet bei 130°, gibt bei Oxydation… …   Meyers Großes Konversations-Lexikon

  • picoline — ● picoline nom féminin Dénomination courante des méthylpyridines CH3―C5H4N. (On distingue trois isomères, qui accompagnent la pyridine dans l huile d os et les goudrons de houille.) …   Encyclopédie Universelle

  • picoline — [pik′ō lēn΄, pik′ōlin] n. [< L pix (gen. picis), PITCH1 + OL2 + INE3] any of three isomeric, colorless, strong smelling, liquid bases, C5H4 (CH3)N, found in the oil produced by the dry distillation of bones and coal: used in insecticides,… …   English World dictionary

  • Picoline — La picoline est le nom donné aux 3 différents isomères de la méthylpyridine, un dérivé méthylé de la pyridine. La formule chimique brute est C6H7N et la masse molaire de ces isomères vaut 93,13 g/mol. Les 3 isomères sont des liquides incolores à… …   Wikipédia en Français

  • picoline — pikolinas statusas T sritis chemija formulė NC₅H₄CH₃ atitikmenys: angl. picoline rus. пиколин ryšiai: sinonimas – metilpiridinas …   Chemijos terminų aiškinamasis žodynas

  • picoline — noun Etymology: Latin pic , pix pitch + International Scientific Vocabulary 1 ol + 2 ine more at pitch Date: 1853 any of the three liquid isomeric pyridine derivatives C6H7N used chiefly as solvents and in organic synthesis …   New Collegiate Dictionary

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