Common Name: Diquat, Piquet/Deiquat/Reward/dibromide
Synonyms: 1,1'-ethylene-2,2'-bipyridyldiylium dibromide salt
Molecular Formula: C12H12Br2N2
CAS NO.: 85-00-7
Properties:
Technical diquat dibromide, which is greater than 95% pure, forms white to yellow crystals . Formulation dark brown liquid, odorless. Stable in neutral or acid solutions; decomposes in alkaline solutions. Slightly soluble in alcohols, hydroxylic solvents. Practically insoluble in nonpolar organic solvents.
Uses:
Diquat is used as pre-harvest desiccation of cotton, flax, alfalfa, clover, lupins, oilseed rape, poppies, soya beans, peas, beans, sunflowers, cereals, maize, rice, sugar beet, and other seed crops; destruction of potato haulms; and stripping of hops. Control of annual broad-leaved weeds in vines, pome fruit, stone fruit, bush fruit, strawberries (also control of runners), citrus fruit, olives, hops, vegetables, ornamental plants and…