Paraquat 4685-14-7

Category :

Agrochemicals/Herbicide

CAS NO :

4685-14-7

EC NO :

225-141-7

MF :

C₁₂H₁₄N₂

MW :

186.256

Specification :

42TC,20SL

Packing :

200L/drum

Product description :

COMMON NAME:Paraquat
CHEMICAL NAME:1,1'-dimethyl-4.4'-bipyridinium

PHYSICAL AND CHEMICAL PROPERTIES:
Paraquat bdchloride forms colourless,hygroscopic crystals.decomposing at 300℃, v.p. negligible,Solu-bility,easily soluble in water,slightly soluble in short-china alcohol, practically insoluble in most other-organic solvents.stability stable in neutral and acidic media, but readily oxidized in alaline media.Tech salts are corrosive to common metals.
TOXICITY:Paraquat dihloride
Acute oral LD50 for rats 150 mg/kg,for mece 104 mg/kg,for kogs 25-50 mg/kg,for sheep 70 mg/kg.Acute percutaneous LD50 for rabbits 236-500 mg paraquat ion/kg.Irritating to skin and eyes.absorption through intact human skin is minimal;exposures can cause irritation and a delay in the healing of cuts and wounds;can cause temporary damage to nails.If inhaled,may cause nose bleeding.Other has serious dealyed effects if absorbed.Fish toxicitty:TLM(48hrs.)is 62 ppm for rainbow trout,TLM(48 hrs.)is 40 ppm for carp.ADI 0.004 mg/kg b.w.
FORMULATION AND SPECIFICATION:

	45% Tech	20 liquid
Paraquat content,%(m/m)	45.0 min As cautions	20.0 min
Stability(no crystal appear,18 hrs.)	Qualified	Qualified
PH value	4-6	4-6

PACKING:Packed as required.Usually,iron drums,100,200 kg net weight for Tech.0.5 L or 1 L PET bottle for 20 liquid.
USES:Paraquat destroys green plant tissue by contact action with some translation.It is trpidly inactivated on contact with soil,Uses include stubble cleaning,pasture renovation,weed control in plantation crops.
PRECAUTION:Incompatible with alkaline materials,anionic surfactants,and clay-containing inert materials.
THE SCALE,METHOD AND KOSAGE OF APPLICATION:(20 LIQUID)

Uses	Dosage(ma/ha)	Remark
Weed in forest (e.g.orchard,mulberry field,banana field,rubber plantation etc.)	1500-3000	Spraying times depends on the harmful of herbs in field
Weeds in the rows of crops(e.g.cotton,sugarcane,maize,vegetable etc.)	1500-3000	Don't sow umtil the fourth day afetr application
Weeds in non-planting areas (e.g.industrial areas etc.)	3000-3900	Mixing with other herbicides can obtain better effectiveness
Purify herbage	3000-5000	Control the weeds in perennial herbage

Uses :

Paraquat is a quartenary nitrogen herbicide widely used for broadleaf weed control. It

Synonyms :

Paraquat;Paraquat ion;

Molecular Structure :

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