ヘプタンへぷたんMeanings1nounheptaneA straight-chain alkane with seven carbon atoms, used as a solvent and in fuel research.ヘプタンは有ゆう機き溶よう媒ばいとして実じっ験けん室しつでよく使つかわれる。Heptane is often used as an organic solvent in laboratories.