Toluene also is known as toluol is an aromatic hydrocarbon. It is a colourless, water-insoluble liquid with the smell associated with paint thinners. It is a mono-substituted benzene derivative, consisting of a CH3 group attached to a phenyl group. As such, its IUPAC systematic name is methylbenzene.
Toluene is predominantly used as an industrial feedstock and a solvent.
Acetone is the organic compound with the formula (CH₃)₂CO. It is a colourless, volatile, flammable liquid, and is the simplest and smallest ketone. Acetone is miscible with water and serves as an important solvent in its own right, typically for cleaning purposes in laboratories.