trans-1,2-Dichloroethene Other names: (E)-1,2-Dichloroethene trans-Dichloroethylene trans-1,2-Dichloroethylene Formula: C2H2Cl2 CAS: 156-60-5 Weight: 96,94 g/mol Boiling point: 48,4 °C Melting point: -57°C Density: 1,252 g/cm3