Paraquat

Common name

Paraquat

Product category

Herbicide

Chemical name

1,1'-dimethyl-4,4'-bipyridinediium; 1,1'-dimethyl-4,4'-bipyridinium; 1,1'-dimethyl-4,4'-bipyridylium

CAS Number

4685-14-7

Molecular formula

C₁₂H₁₄N₂

appearance

Colourless, hygroscopic crystals

Specification

 42%TK,20%SL,200g/L

application

Biochemistry

During photosynthesis, superoxide is generated, which damages cell membranes and cytoplasm. 

Mode of action

Non-selective contact herbicide, absorbed by the foliage, with some translocation in the xylem. 

Uses

Broad-spectrum control of broad-leaved weeds and grasses in fruit orchards (including citrus), plantation crops (bananas, coffee, cocoa palms, coconut palms, oil palms, rubber, etc.), vines, olives, tea, alfalfa, onions, leeks, sugar beet, asparagus, ornamental trees and shrubs, in forestry, etc. Also used for general weed control on non-crop land; as a defoliant for cotton and hops; for destruction of potato haulms; as a desiccant for pineapples, sugar cane, soya beans, and sunflowers; for strawberry runner control; in pasture renovation; and for control of aquatic weeds. For control of annual weeds, applied at 0.4-1.0 kg/ha. Formulation types

SL. 

Compatibility

Incompatible with alkaline materials, anionic surfactants, and clay-containing inert materials.