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 …

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.

Dec 16, 2025 · 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 …

How was pyridine discovered? In 1849, Scottish chemist Thomas Anderson successfully isolated pyridine from coal-tar oil. Coal-tar contains a very low concentration of pyridine, roughly 0.1%, so it …

Jul 23, 2025 · Pyridine is a foundational chemical structure, forming the basis for vital nutrients like Vitamin B6 as well as key agrochemical and pharmaceutical agents.

Lencka, 1990 Lencka, Malgorzata, Measurements of the vapour pressures of pyridine, 2-methylpyridine, 2,4-dimethylpyridine, 2,6-dimethylpyridine, and 2,4,6-trimethylpyridine from 0.1 kPa to atmospheric …

Pyridine is a basic heterocyclic organic compound with the chemical formula C5H5N. It is structurally related to benzene, with one methine group (=CH−) replaced...

This fact sheet answers the most frequently asked health questions about pyridine. For more information, you may call the ATSDR Information Center at 1-800-232-4636.

Pyridine is a basic heterocyclic organic compound with the chemical formula C₅H₅N. It is a colourless, water-soluble liquid with a distinct, unpleasant fish-like odour.

Pyridine is a heterocyclic organic compound that is often described as a benzene ring with one CH group replaced by a nitrogen atom. It is an important part of many biological and industrially …