... between 19 78 and 19 85 The decrease in the demand of chlorinated solvents during 19 78 to 19 85 reflects the production ban on 1, 1 , 1- trichloroethane (1, 1 , 1- TCA, or TCA) and Freon -1 1 3 (1, 1,2-trichloro -1 , 2,2-trifluoroethane) ... (TCE) Dichlorofluoromethane (Freon -1 2 ) Chloroforma 1, 1-Dichloroethane (1, 1-DCA) cis -1 , 2-Dichloroethylene trans -1 , 2-Dichloroethylene 1, 1-Dichloroethylene (1, 1-DCE) Dichloromethane (DCM)b Vinyl ... CCl2F2 a b c d e Liquid Density (g/cm3) 1. 46 1. 63 2 .18 1. 28 1. 26 1. 35 1. 49 1. 16 1. 34 1. 17 1. 59d 0.90d 1. 60 1. 44 0.91d 1. 49 1. 35e Also known as ethylene bromide and ethylene dibromide Also known as...