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Related to pyridine: imidazole


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.


(Elements & Compounds) a colourless hygroscopic liquid with a characteristic odour. It is a basic heterocyclic compound containing one nitrogen atom and five carbon atoms in its molecules and is used as a solvent and in preparing other organic chemicals. Formula: C5H5N
[C19: from pyro- + -id3 + -ine2]


(ˈpɪr ɪˌdin, -dɪn)

a colorless, flammable, liquid organic base, C5H5N, used chiefly as a solvent and in organic synthesis.
[1855; pyr- or pyr (role) + -idine]
py•rid•ic (paɪˈrɪd ɪk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pyridine - a toxic colorless flammable liquid organic base with a disagreeable odor; usually derived from coal
alkali, base - any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water; "bases include oxides and hydroxides of metals and ammonia"
triphosphopyridine - a pyridine ring with three phosphorus groups
References in periodicals archive ?
We were working with a solvent known as pyridine and were supposed to observe and document the reactions with certain other chemicals.
As the pyrolysis temperature increased from 300 to 500 [degrees]C, pyridine N-oxide was converted to pyridone, and, simultaneously, the latter was converted to pyridine and pyridine structures associated with oxygen--quaternary nitrogen.
30 am on Saturday, the truck driver who was supposed to deliver a consignment of 2- Chloro- 5-( chloromethyl) pyridine at Sonepat informed the depot management about leakage from his vehicle.
Vertellus is the #1 global producer of pyridine and picolines, specialty pyridine derivatives, DEET, castor oil derivatives and systems, and a world leader in vitamin B3, citrate polymer additives and systems.
Global Pyridine Market 2016 Research Report initially provides a basic overview of the industry that covers definition, applications and manufacturing technology, post which the report explores into the international players in the market.
Police in Concepcion town in Tarlac province stumbled on 10 gallons of containers, 12 bottles, clear reagent bottles, 15 zip-locked transparent bags containing unknown powder, seven transparent plastic bags containing the residue of suspected shabu and 15 bottles of chemicals identified as pyridine, ethanol, acetone and hydrochloric acid.
com)-- According to a new market report published by Persistence Market Research, titled "Global Market Study on Pyridine: Increasing Demand for Synthetic Pyridine to Drive Growth During Forecast Period 2015 -2025 ", the global pyridine market is estimated to reach US$ 1,741.
This material was used as a substitute for the expensive and toxic tertio butyl pyridine in the electrolyte solution.
They reported that using copper chloride and pyridine as catalysts PPO forms in high yield (85%) at the reaction temperature of 40-50[degrees]C along with a small amount of a byproduct, diphenoquinone (3%) [16, 17].
GP has a carbonyl-reactive hydrazine terminal linked through a carboxymethyl group to a charged pyridine ring.
94 there is a binary peak from the CH (C- 1) group of Pyridine ring that has a coupling constant equal to 8.
Since pyridine is a common refractory pollutant in wastewater effluents, the conventional volatile organic compound (VOC) controlling technologies, including condensation, adsorption [8], extraction, membrane separation, and so on, have been commonly utilized to control its escaping.