Trifluoroacetic acid Other names: Trifluoroethanoic acid 2,2,2-Trifluoroacetic acid Formula: C2HF3O2 CAS: 76-05-1 Weight: 114,02 g/mol Boiling point: 72,5 °C Melting point: -15,3 °C Density: 1,5351 g/cm3