Freon 113a Other names: 1,1,1-Trichlorotrifluoroethane F113a R-113a 1,1,1-Trichloro-2,2,2-trifluoroethane Formula: C2Cl3F3 CAS: 354-58-5 Weight: 187,38 g/mol Boiling point: 45,7 C Melting point: 16 C Density: 1,58 g/cm3