Isoprene (CAS 78-79-5) Market Research Report 2026 '@aboutIsoprene (2-Methylbutadiene, 2-Methyl-1,3-butadiene, 2-Methylbutadiene, 1,3-Butadiene, etc.) is an organic compound with the molecular formula C5H8 and molecular weight 68.11. Isoprene is a colorless volatile liquid with a mild and aromatic smell. ...