CAS: 109-67-1 EC No: 203-694-5 MDL No: MFCD00003567 RTECS: SB2179000 UN No: UN1108; Haz Class: 3; Packing Group: I Liquid Molecular Formula: C₅H₁₀ MW: 70.13 Boiling Point: 30-31° Flash Point: -51°C (-60°F) Density (g/mL): 0.641 …