A colourless liquid with a strong unpleasant smell, C5H5N (see formula); r.d. 0.98; m.p. –42°C; b.p. 115°C. Pyridine is an aromatic heterocyclic compound present in coal tar. It is used in making other organic chemicals.
Pyridine
- ethene
- ethenone
- ethenyl ethanoate
- Ether
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- ethers
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