Isooctane (2,2,4-trimethylpentane) is a hydrocarbon with the chemical formula C8H18. Commonly applications: Fuel, used as component of gasoline to improve its octane rating and reduce knock or pre-ignition during combustion. It is also used as a reference fuel in the octane rating scale for gasoline. Used as a solvent in the chemical industry, particularly in the production of resins and plastics. Aerosol propellants, used as a propellant in aerosol products, such as hairsprays and deodorants. Used as a solvent in laboratoris for chemical reactions and extractions. Industrial cleaning agents, used as a solvent in the formulation of some industrial cleaning agents and Personal care products, used as a solvent and viscosity-reducing agent in cosmetics, such as nail polish and hair care products.