Structure Formula : Common Name: diquat CAS No.:85-00-7 CAS Name:1,1’-aethylen-2,2’-bipyridinium-dibromid;1,1’-aethylen-2,2’-bipyridium-dibromid[qr] Molecular Formula:C12H12N2.2Br Agrochemical Type: Herbicide Mode of Action:Diquat is a non-selective herbicide that acts quickly to damage only those parts of the plant to which it is applied.