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pyridine

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n. 比啶[治喘病药]

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比啶[治喘病药]

WordNet (r) 3.0 (2006) (WordNet)

pyridine
n 1: a toxic colorless flammable liquid organic base with a
disagreeable odor; usually derived from coal

The Collaborative International Dictionary of English v.0.48 (gcide)

Pyridine \Pyr"i*dine\, n. [From Gr. ? fire.] (Physiol. Chem.)
A nitrogenous base, {C5H5N}, obtained from the distillation
of bone oil or coal tar, and by the decomposition of certain
alkaloids, as a colorless liquid with a peculiar pungent
odor. It is the nucleus of a large number of organic
substances, among which several vegetable alkaloids, as
nicotine and certain of the ptoma["i]nes, may be mentioned.
See {Lutidine}.
[1913 Webster]

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Pyridine - Wikipedia
The major products of pyridine metabolism are N -methylpyridiniumhydroxide, which are formed by N -methyltransferases (e g , pyridine N -methyltransferase), as well as pyridine N -oxide, and 2-, 3-, and 4-hydroxypyridine, which are generated by the action of monooxygenase
Pyridine | C5H5N | CID 1049 - PubChem
Pyridine appears as a clear colorless to light yellow liquid with a penetrating nauseating odor Vapors are heavier than air Toxic by ingestion and inhalation Combustion produces toxic oxides of nitrogen
Pyridine | 110-86-1 - ChemicalBook
Pyridine (unsubstituted pyridine) and its derivative (substituted pyridines) are widely used in chemistry Pyridine is a solvent used for many organic compounds and anhydrous metallic salt chemicals
Pyridine anhydrous, 99. 8 110-86-1 - MilliporeSigma
Description General description Pyridine is a basic N -heterocyclic compound It acts as nitrogen donor ligand and forms many metal-pyridine complexes Its complexes having tetrahedral and octahedral geometries can be differentiated by infra-red spectral investigations
Pyridine - American Chemical Society
Pyridine is a colorless liquid with a foul odor and several hazardous properties In the late 1840s, physician chemist Thomas Anderson at the University of Edinburgh produced several liquids by heating animal bones to high temperatures
CDC - NIOSH Pocket Guide to Chemical Hazards - Pyridine
Azabenzene, Azine Colorless to yellow liquid with a nauseating, fish-like odor
Pyridine - NIST Chemistry WebBook
Pyridine Formula: C 5 H 5 N Molecular weight: 79 0999 IUPAC Standard InChI: InChI=1S C5H5N c1-2-4-6-5-3-1 h1-5H Copy
Pyridine | Aromatic, Aliphatic, Nitrogenous | Britannica
pyridine, any of a class of organic compounds of the aromatic heterocyclic series characterized by a six-membered ring structure composed of five carbon atoms and one nitrogen atom The simplest member of the pyridine family is pyridine itself, a compound with molecular formula C 5 H 5 N
Phenazopyridine (oral route) - Side effects dosage - Mayo Clinic
Description Phenazopyridine is used to relieve the pain, burning, and discomfort caused by infection or irritation of the urinary tract It is not an antibiotic and will not cure the infection itself Phenazopyridine is available over the counter or with your doctor's prescription
Pyridine | Fisher Scientific
Pyridine is a flammable, toxic, basic, heterocyclic, organic compound with the chemical formula C5H5N Available in various quantities, it is a component of agrochemicals, pharmaceuticals, and vitamins and is used as a polar, basic, low-reactive solvent

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