Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by form]
6. [materials by chemical form]
7. compounds (materials)

Anotations

Scope note:

Pungent, heterocyclic, organic liquid derived from coal tar or synthesized. Quinoline is used as a food preservative and in dyes and antiseptics. It is also a useful reagent for the detection of a number of cations as a group reagent.