Halothane Other names: 2-Bromo-2-chloro-1,1,1-trifluoroethane Fluorothane F123B1 Freon 123B1 Formula: C2HBrClF3 CAS: 151-67-7 Weight: 197,38 g/mol Boiling point: 50,2 °C Melting point: -118 °C Density: 1,871 g/cm3