1,1-Dibromoethane is a clear, slightly brown, flammable chemical compound. It has the chemical formula C2H4Br2.
1,2-Dibromoethane, also known as ethylene dibromide (EDB), is the chemical compound with the formula BrCH2CH2Br. Although trace amounts occur naturally in the ocean, where it is formed probably by algae and kelp, it is mainly a synthetic. This a colorless liquid with a sweet odor, detectable at 10 ppm, is a widely used and sometimes-controversial fumigant.