Methylpyridine

Part of speech: noun

Definitions

1. An organic compound consisting of a pyridine ring with a methyl group substituted at one of its positions, commonly used in chemical synthesis and industry
2. A methylated derivative of pyridine in which a carbon-hydrogen bond on the aromatic ring is replaced by a carbon-methyl bond, existing in three isomeric forms
3. An aromatic heterocyclic compound formed by adding a methyl group to the pyridine molecule, serving as a solvent and intermediate in pharmaceutical and chemical manufacturing

Etymology: Methylpyridine is a chemical compound name built in the most literal way chemists name derivatives: "methyl" (from the Greek "methy," wine, plus "hyle," wood or matter, the name given to the alcohol that became known as methanol) attached to "pyridine." Pyridine itself takes its name from "pyr," the Greek word for fire, because it was first obtained from heating bone material, and the "-idine" ending was used for compounds of this kind. Adding "methyl" to the front signals that a methyl group, a single carbon atom bonded to three hydrogens, has been swapped onto one of the carbon or nitrogen positions of the pyridine ring. Because one methyl group can attach at different positions on the ring, the name alone does not identify one substance. Chemists therefore use numbers, as in 2-methylpyridine or 3-methylpyridine, to indicate exactly where the methyl group sits. Each numbered version is a separate compound with its own properties, which is why the bare word covers a family of related isomers rather than a single molecule.