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  2. Pyridine (data page) - Wikipedia

    en.wikipedia.org/wiki/Pyridine_(data_page)

    1 Material Safety Data Sheet. 2 Structure and properties. ... This page provides supplementary chemical data on pyridine. Material Safety Data Sheet

  3. Pyridinium chloride - Wikipedia

    en.wikipedia.org/wiki/Pyridinium_chloride

    Containing a pyridinium ion, pyridinium chloride has a pK a of approximately 5, slightly more acidic than that of typical amines.This is due to the hybridization of the nitrogen: the nitrogen is sp 2 hybridized and more electronegative than those nitrogens in ammonium cations, which are sp 3 hybridized.

  4. Pyridinium - Wikipedia

    en.wikipedia.org/wiki/Pyridinium

    It is the conjugate acid of pyridine. Many related cations are known involving substituted pyridines, e.g. picolines, lutidines, collidines. They are prepared by treating pyridine with acids. [3] As pyridine is often used as an organic base in chemical reactions, pyridinium salts are produced in many acid-base reactions.

  5. Pyridine - Wikipedia

    en.wikipedia.org/wiki/Pyridine

    Pyridine is a basic heterocyclic organic compound with the chemical formula C 5 H 5 N.It is structurally related to benzene, with one methine group (=CH−) replaced by a nitrogen atom (=N−).

  6. 3-Methylpyridine - Wikipedia

    en.wikipedia.org/wiki/3-Methylpyridine

    3-methyl pyridine is biodegradable, although it degrades more slowly and volatilize more readily from water samples than either 2-methyl- or 4-methyl-pyridine., [7] [8] 3-Methylpyridine is the main precursor to niacin , one of the B vitamins .

  7. 2-Methylpyridine - Wikipedia

    en.wikipedia.org/wiki/2-Methylpyridine

    2-Methylpyridine, or 2-picoline, is the compound described with formula C 6 H 7 N. 2-Picoline is a colorless liquid that has an unpleasant odor similar to pyridine. It is mainly used to make vinylpyridine and the agrichemical nitrapyrin .

  8. 2-Chloropyridine - Wikipedia

    en.wikipedia.org/wiki/2-Chloropyridine

    Although pyridine is an excellent source of carbon, nitrogen, and energy for certain microorganisms, introduction of a halogen moiety significantly retards degradation of the pyridine ring. With the exception of 4-chloropyridine, each of the mono- and di-substituted chloropyridines were found to be relatively resistant to microbiological ...

  9. 2,6-Lutidine - Wikipedia

    en.wikipedia.org/wiki/2,6-Lutidine

    Although pyridine is an excellent source of carbon, nitrogen, and energy for certain microorganisms, methylation significantly retards degradation of the pyridine ring. In soil, 2,6-lutidine is significantly more resistant to microbiological degradation than any of the picoline isomers or 2,4-lutidine . [ 8 ]