Common name Diquat Product category herbicide Chemical name 1,1'-Ethylene-2,2'-bipyridyldiylium 9,10-Dihydro-8a,10a-diazoniaphenanthrene CAS 85-00-7 Molecular formula C12H12N2Br2 Appearance Grey to white power(TC),Red brown homogeneous liquid EC Packing Plastic drum, 200L, 20L, 5L, 1L each Application A broad-spectrum, quick-acting, non-selective contact herbicide. It has quicker and better control effect on broad-leave weeds than paraquat. It is used for preplant or emergence on vegetables, grains, cotton, orchard, sugar cane, peanuts, potatoes, and tree plantation areas; postemergence around fruit crops, vegetables, trees, vines, grains, soybeans, and sugar cane; Also used for general weed control on non-crop land, and as a ripener and defoliant for soybean, cotton before harvesting.