N-HEPTANE (CAS-142-82-5) is a flammable, colorless liquid having a distinct petroleum aroma. N-Heptane is an organic substance having the chemical formula C7H16. It has an odor that is similar to that of gasoline and is colorless. Solvent, cleaning solution, and degreaser are all uses for n-heptane. Additionally, it is utilized as a model airplane fuel and as a component in gasoline. N-HEPTANE (CAS-142-82-5) is most commonly soluble in organic solvents but insoluble in water. Its physical form often has a yellowish-green tinge.