- Collidine by Webster's
... n.) One of a class of organic bases, C8H11N, usually pungent oily liquids, belonging to the pyridine series, and obtained from bone oil, coal tar, naphtha, and certain alkaloids.
- Picoline by Webster's
... n.) 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; -- called also methyl pyridine.
- pyridine by Alyssa Hunter
Or azine., C 5H 5N, colorless, flammable, toxic liquid with a putrid odor. It melts at −42°C and boils at 115.5°C. Chemically, it is a heterocyclic aromatic tertiary amine (see under amino group ). Its molecule resembles that of benzene, one carbon-hydrogen unit in the benzene ring being replaced with a nitrogen molecule. It is miscible with water and with most organic solvents. Its ...
- Rubidine by Webster's
... n.) A nitrogenous base homologous with pyridine, obtained from coal tar as an oily liquid, C11H17N; also, any one of the group od metameric compounds of which rubidine is the type.
- Pyridine by Great Soviet Encyclopedia
a heterocyclic compound. Colorless liquid with a characteristic odor. Melting point, — 41.6°C; boiling point, 115.3°C; density, 0.9832 g/cm 3 (at 20°C). The structural formulaPyridine is a weak base that is miscible in all proportions with water and most organic solvents. It forms salts with acids as well as with alkyl halides (RX); the alkyl halide salts are called N-alkyl pyridinium ...