title: Methallyl chloride
text: # Methallyl chloride
  
  Methallyl chloride is the organic compound with the formula $CH_2=C(CH_3)CH_2Cl.$ It is a colorless liquid and a lacrymator. Its properties are similar to those of allyl chloride. It is a strong alkylating agent used to install isobutenyl groups.
  
  ## Reactivity
  
  It is also a precursor to methallyl ligand. It is an isomer of crotyl chloride.
  
  Methylenecyclopropane can be synthesised via an intramolecular cyclisation reaction from methallyl chloride by treatment with a strong base such as sodium amide.
  
  