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Low Price Chlorpyrifos (95% TC, 25 % WP, 20% EC) 

  Category : Chemicals->Import-export - chemicals and pharmaceuticals->pesticide

     
Low Price Chlorpyrifos (95% TC, 25 % WP, 20% EC)
 
 
       

  Product Specification
 
  Model No:      CAS No.: 2921-88-2
  Country  CN
  Size  0.05ML-10L or on your requirments    
  Packing  0.05-10L bottle, 25-250Kg drum or your requirement
  Minimum Order  100Kg
  Payment Term  L/C T/T
  Trade Terms  FOB CFR CIF

 

    Product Detail
  Features:
Common name:Chlorpyrifos
Chemical name:O,o-diethyl o-(3,5,6-trichloro-2-pyridinyl) phosphorothioate
Chemical class:Insecticide
Properties:
Mol.Wt.350.6 m.F.C9h11cl3no3PS form colourless crystals, with a mild mercaptan odour.M.P.42-43.5 oc V.P.2.7 mpa (25 oc) kow logp = 4.7 henry 6.76 2 10-1 PA m3 mol-1 (calc.) s.G./density 1.44 (20 °C) solubility in water c.1.4 mg/l (25 oc).In benzene 7900, acetone 6500, chloroform 6300, carbon disulfide 5900, diethyl ether 5100, xylene 5000, ISO-octanol 790, methanol 450 (all in g/kg, 25 oc).Stability rate of hydrolysis increases with pH, and in the presence of copper and possibly of other metals that can form chelates;Dt50 1.5 d (water, pH 8, 25 oc) to 100 d (phosphate buffer, pH 7, 15 oc).
Toxicity:
Oral acute oral ld50 for rats 135-163, Guinea pigs 504, rabbits 1000-2000 mg/kg.Skin and eye acute percutaneous ld50 for rabbits >5000 mg/kg;(tech.) for rats >2000 mg/kg.Inhalation LC50 (4-6 h) for rats >0.2 mg/l (14 ppb).Noel (2 y) for rats 1 mg/kg b.W.Daily;(18 mo) for mice 0.7 mg/kg b.W.Daily;(2 y) for dogs 1 mg/kg b.W.Daily.Adi (jmpr) 0.01 mg/kg b.W.[1999].Other non-teratogenic.Toxicity class who (a.I.) II;EPA (formulation) II ec classification t;R24/25| n;R50, r53.
Ecotoxocology:
Birds acute oral ld50 for mallard ducks 490, house sparrows (passer domesticus) 122, chickens 32-102 mg/kg.Dietary LC50 (8 d) for bobwhite quail 423 ppm.Fish LC50 (96 h) for bluegill sunfish 0.002-0.010, rainbow trout 0.007-0.051, roach 0.25, fathead minnow 0.12-0.54 mg/l.Daphnia LC50 (48 h) 1.7 mg/l.Algae noec for selenastrum capricornutum >0.4 mg/l.Other aquatic spp.LC50 for Korean shrimp (palaemon macrodactylus) 0.05 mg/l.Bees toxic to bees.Ld50 (oral) 360 ng/bee;(contact) 70 ng/bee.Worms LC50 (14 d) for eisenia foetida 210 mg/kg soil.Other beneficial spp.Toxic to collembola (j.A.Wiles & g.K.Frampton, pestic.Sci., 47, 273 .
Environmental fate:
Animals in rats, dogs, and other mammals, following oral administration, rapid metabolism occurs, the principal metabolite being 3,5,6-trichloropyridin-2-ol.Excretion is principally in the urine.Plants non-systemic in plants, not absorbed from soil via the roots.Residues taken up by plant tissues are metabolised to 3,5,6-trichloropyridin-2-ol which is conjugated and sequestered.Soil/environment in soil, chlorpyrifos is degraded at a moderate rate;Dt50 (lab.) 10-120 d (25 °C);Field dt50 for soil-incorporated applications 33-56 d, for soil-surface applications 7-15 d.Primary route of degradation is transformation to 3,5,6-trichloropyridin-2-ol, which is subsequently degraded to organochlorine compounds and CO2.Koc 1250-12 600.
Mode of action:
Chlorpyrifos is active by contact, ingestion, and vapor action.It inhibits an enzyme of the nervous system (acetylcholine esterase);This causes convulsions and paralysis.
Usage:
Aerial spraying;Spraying from a truck, backpack or hand-held sprayer.To control tent caterpillars,bagworms, leafrollers, leafcutters, borers, bark beetles, spider mites, ticks, chiggers, fire ants, and other soil insects.

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