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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'-bipyridiniumPHYSICAL 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 : 