Trimethylpentane is useful in many ways, it is mainly a fuel additive as well as can be used as a solvent thinner for chemical reactions.
It can be used for monomer filler, and propellants which are used for explosives, and guns.
Trimethylpentane is a type of isooctane which is in gasoline that powers vehicles such as cars, buses, and planes.
It is also in greases and oils used for brake cleaners, as well as paints and varnishes. It plays an important role in society as a whole since it powers the majority of travel around us.