pyridine


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Related to pyridine: imidazole

pyridine

 [pir´ĭ-dēn]
1. a toxic, colorless, liquid hydrocarbon usually derived from coal tar and used as a laboratory and industrial intermediate.

pyr·i·dine

(pir'i-dēn, -din),
A colorless volatile liquid of empyreumatic odor and burning taste, resulting from the dry distillation of organic matter containing nitrogen; used as an industrial solvent, in analytic chemistry, and for denaturing alcohol.

pyridine

/pyr·i·dine/ (pir´ĭ-din)
1. a coal tar derivative, C5H5N, derived also from tobacco and various organic matter.
2. any of a group of substances homologous with normal pyridine.

pyridine

(pĭr′ĭ-dēn′)
n.
A flammable, colorless or yellowish liquid base, C5H5N, having a penetrating odor and serving as the parent compound of many biologically important derivatives. It is used as a solvent and in the manufacture of various agricultural chemicals, rubber products, water repellents, dyes, and drugs.

py·rid′ic (pī-rĭd′ĭk) adj.

pyridine

1. a substance derived from coal tar and also from tobacco and various organic materials. Used in industry as a solvent and in the synthesis of organic compounds.
2. any of a group of substances homologous with normal pyridine. The pyridines are serious poisons causing damage to most organs especially nervous and respiratory systems and skin.
References in periodicals archive ?
19] found that the nature of quaternary nitrogen could not be defined, based on model compounds, and claimed that in lignite it could correspond to the protonated pyridine nitrogen.
2 Global Pyridine Market Competition by Manufacturers
Asia Pacific is the most attractive region in terms of CAGR and market share in the global pyridine market.
253 mol) Solvent (100[degrees]C) V Pyridine (20 g) Toluene [DELTA] 2-Propanol + toluene (5:5) [DELTA] 2-Propanol + toluene (9:1) [M.
The effect of solute concentration on the degradation of pyridine was investigated at initial concentrations of 10 and 100 mg/L for both photochemical and sonochemical experiments.
pc]) is enhanced remarkably and becomes irreversible as the concentration of DDT goes up in both the pyridine and DMSO solutions.
Heating of the solution mixture in the presence of the catalyst such as urea and perfluoroalkylated pyridine at elevated temperatures (80-100[degrees]C) is necessary for reaction completion to give a 98-99% yield.
Pyridine is widely used as a versatile solvent and is said to have a distinctively putrid, "fishy" odour.
The substance, called Pyridine, came from a package, believed to have been dropped while being sorted, causing fumes to escape.
In the plant, we detected several chemicals with hepatotoxic potential, including pyridine, dimethylformamide, dimethylacetamide, and methylenedianiline.
The work presented here in has focused on the study of stability of solid phase oxo rhenium (V) complexes with mixed Ligands comprising of 2--mercapto pyridine, ammonia and thiocyanide.
In their experiments, Craig's group used an atomic force microscope (AFM) tip to exert almost infinitesimally small tugs on a molecular complex made of pyridine and the metal palladium.