Common name: Paraquat, Paraquat Dichloride
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: Blue-green homogeneous liquid
Specification: 42%Tech, 20%SL
Application: 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.
20% SL
Appearance: Blue-green homogeneous liquid
Content Paraquat Ion:  20.0 -0.5/+1.0g/100ml
Content of Paraquat Dichloride:  276g/L mini
Dissolved Matter: 0.3% max
pH Value:  4.0-6.0pH
Emetic (PP796): 0.043% mini
4,4-Bipyridine: 0.06% max
42% TC
Appearance: Dark blue homogeneous liquid
Active Ingredients,%: 42 MIN.
Solubility Stability: Qualified
Insoluble in water,%: 0.5 MAX.
pH Value: 2.0-6.0
4,4′-Dipyridyl,%: 0.09 MAX.
Emetic (W/W): 0.08
High Temperature Stability: Qualified
Low Temperature Stability: QUALIFIED