CAS: 78-79-5 EC No: 201-143-3 MDL No: MFCD00008600 RTECS: NT4037000 UN No: UN1218; Haz Class: 3; Packing Group: I Liquid Molecular Formula: C₅H₈ MW: 68.12 Melting Point: -146° Boiling Point: 34° Flash Point: -54°C (-65°F) …