Explore relationships

Isobutylene

Names Preferred IUPAC name2-Methylprop-1-eneOther names 2-MethylpropeneIsobuteneγ-Butylene2-MethylpropyleneMethylpropeneIdentifiers CAS Number115-11-73D model (JSmol)Interactive imageChEBICHEBI:43907ChemSpider7957ECHA InfoCard100.003.697EC Number204-066-3PubChemCID8255RTECS numberUD0890000UNIIQA2LMR467HUN number1055In Liquefied petroleum gas: 1075CompTox Dashboard(EPA)DTXSID9020748InChIInChI=1S/C4H8/c1-4(2)3/h1H2,2-3H3Key: VQTUBCCKSQIDNK-UHFFFAOYSA-NInChI=1/C4H8/c1-4(2)3/h1H2,2-3H3SMILESCC(=C)CProperties Chemical formulaC4H8Molar mass56.108 g·mol Appearance Colorless gas Density0.5879 g/cm, liquid Melting point−140.3 °C (−220.5 °F; 132.8 K) Boiling point−6.9 °C (19.6 °F; 266.2 K) Magnetic susceptibility (χ)−44.4·10 cm/mol Structure Point groupC2vHazards GHS labelling: PictogramsSignal wordDangerHazard statementsH220Precautionary statementsP210, P377, P381, P403NFPA 704 (fire diamond) 140Flash pointflammable gas Autoignitiontemperature465 °C (869 °F; 738 K) Explosive limits1.8–9.6% Related compounds Related butenes1-Butenecis-2-Butenetrans-2-ButeneRelated compoundsIsobutaneExcept where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).Nverify ( ?)

Use + to expand a branch. Click a topic name to open its summary.