Bromodifluoromethane
Bromodifluoromethane or Halon 1201 or FC-22B1 is a gaseous trihalomethane or a hydrobromofluorocarbon.Synthesis
It can be prepared be reaction of hydrogen and dibromodifluoromethane at temperature in range 400–600 °C.
Critical point data: Tc = 138.83 °C ; pc = 5.2 MPa ; Vc = 0.275 dm3.mol−1.Applications
Bromodifluoromethane was used as a refrigerant and in fire extinguishers. It is a class I ozone depleting substance with ozone depletion potential ODP = 0.74. It was banned by Montreal Protocol in 1996.
