Pyridine

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Notion

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Science and technology

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What Wikipedia says

Pyridine is a basic heterocyclic organic compound with the chemical formula C5H5N. It is structurally related to benzene, with one methine group (=CH−) replaced by a nitrogen atom (=N−). It is a highly flammable, weakly alkaline, water-miscible liquid with a distinctive, unpleasant fish-like smell.

Excerpt from the Wikipedia article “Pyridine”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: LHcheM, CC BY-SA 3.0, via Wikimedia Commons.