Chemical:  Paraquat
Use category:  Herbicide
Content & formulation:
Paraquat 42% TK
Paraquat 20% SL
 

Chemical	Paraquat
Structure Formula
Common Name	Paraquat (BSI, E-ISO, (m) F-ISO, ANSI, WSSA, JMAF)
CAS No.	4685-14-7
CAS Name	1,1' -dimethyl-4,4' -bipyridinium
Molecular Formula	C12H14N2
Agrochemical Type	Herbicide, bipyridylium
Mode of Action	Broad-spectrum, non-residual activity with contact and some desiccant action. Photosystem I (electron transport) inhibitor. Absorbed by the foliage, with some translocation in the xylem.
Characteristics and 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.

 

Paraquat 42% TK
	ITEMS	STANDARDS
	Appearance	Homogeneous liquid
	Content	≥42 %
	Water insolubles	≤0.5%
	pH	2~6
	Free 4,4'-bipyridyl	≤0.1%

   

Paraquat 20% SL
	ITEMS	STANDARDS
	Appearance	Homogeneous, dark blue to green liquid
	Content	≥20%
	Water insolubles	≤0.3%
	pH	4.0~7.0
	Free 4,4'-bipyridyl	≤0.1%
	Solution stability (as 5% aqueous solution)	No color change; Sediment maxium: trace; Solid particles: pass throug 45μm sieve.
	Stability at 0℃	The volume of solid and/or liquid which separates shall not be more than 0.3 ml.