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. hydrocarbon

Narrower term/s

• methane

Anotations

Scope note:

A member of the series of saturated hydrocarbons with the general chemical formula CnH2n+2, where "n" is a whole number. Though generally nonreactive, they combust readily and many important fuels are alkanes, such as methane and butane, or mixtures of alkanes such as gasoline.