HF/H₂SO₄ or solid acid catalyzed; isobutane + butene → iso-octane; high-octane gasoline blendstock; EPA scrutiny of HF hazards.
HF/H₂SO₄ or solid acid catalyzed; isobutane + butene → iso-octane; high-octane gasoline blendstock; EPA scrutiny of HF hazards.