Diquat is a contact herbicide that produces desiccation and defoliation most often available as the dibromide, diquat dibromide. Brand names for this formulation include Aquacide, Dextrone, Preeglone, Deiquat, Detrone, Reglone, Reglon, Reglox, Ortho-Diquat and Weedtrine-D.

1,2-Dibromoethane, also known as ethylene dibromide (EDB), is the chemical compound with the formula BrCH2CH2Br. Although trace amounts occurs naturally in the ocean, where it is formed probably by algae and kelp, it is mainly a synthetic.

Stop the leak, if possible. Ventilate the space involved. Contain, sweep up, place in container for disposal

Zinc bromide is a chemical compound of zinc and bromine. Its shares many properties with zinc chloride, ZnCl₂, namely a high solubility in water forming acidic solutions, and solubility in organic solvents. It is hygroscopic and forms a hydrate ZnBr₂.₂H₂O.