title: C4H8
text: # C4H8
  
  The molecular formula $C_4H_8$ (molar mass: 56.11 g/mol) may refer to:
  
  * Butenes (butylenes)
     * 1-Butene, or 1-butylene
     * 2-Butene
     * Isobutylene
  * Cyclobutane
  * Methylcyclopropane
  