Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by composition]
6. organic material
7. tar (material)

Additional parents:

1. top of the aat hierarchies
2. Materials Facet
3. Materials
4. materials
5. materials by composition
6. organic material
7. bituminous material
8. modified bituminous material

Anotations

Scope note:

Black viscous liquid with a naphthalene odor obtained by the distillation of bituminous coal. It can be separated into several fractions: gasoline, oil, creosote, and pitch. Coal tar is used in the manufacture of plastics, aniline dyes, for waterproofing, paints, roofing, roads, and as a pesticide.