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LABOR KAIFENG AGROCHEMICALS CO., LTD.

Chlorpyrifos


  • Category :
    Agrochemicals/Insecticide
  • Synonyms :
    O,O-diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate;ANSI;ISO;BSI;Dowco179;ENT27311;O,O-diethyl-O-(3,5,6-trichloro-2-pyridyl)phos-phorothioate;Clorpyrifos;Phosphorothioic acid O,O-diethyl O-(3,5,6-trichloro-2-pyridinyl) ester;Chlorpyritos;Eradex;Lorsban;Trichlorpyrphos;Chlorpyriphos;O,O-diethyl O-(3,5,6-trichloropyridin-2-yl) phosphorothioate;O,O-diethyl S-(3,5,6-trichloropyridin-2-yl) thiophosphate;
  • CAS NO :
    2921-88-2
  • EC NO :
    220-864-4
  • Molecular Formula :
    C9H11Cl3NO3PS
  • Molecular Weight :
    350.5863
  • Main Specifications :
    97TC 95TC 48EC 40EC 20EC
  • InChI :
    InChI=1/C9H11Cl3NO3PS/c1-3-15-17(14,16-4-2)18-9-7(11)5-6(10)8(12)13-9/h5H,3-4H2,1-2H3
  • Packing :
    200kgs Iron Drum  or according to clients demands.
  • Product description :

    Common name:chlorpyrifos(ANSI,ISO,BSI) 
    Other name:Dowco179;ENT27311
    Chemical name:O,O-diethyl-O-(3,5,6-trichloro-2-pyridyl)phos-phorothioate 
    Molecular formula:C9H11Cl3NO3PS
    Molecular weight:350.5 
    Physiochemical properties:Technical chlorpyrifos is white crystalline solid with a mild sulfur odor,stability: Wide stability at room temperature;Density: 1.398(43.5°C);Melting Point: 41.5~43.5°C;Vapour Pressure: 2.5mPa(25°C);
    Solubility: 1.2mg/l in water, readily soluble in most organic solvents
    Toxicity
    Chlorpyrifos is moderate toxic to animals. Acute oral LD50 for rats 163mg/kg, acute dermal LD50 for rats>2g/kg; Slight irritation to eye, serious to skin. Subacute oral non-effect level for rats 0.03mg/kg, chronic oral non-effect level 0.1mg/kg. Chronic oral non-effect level for dog 0.03mg/kg. No carcinogenic, mutagenic and teratogenic effects at experimental dosage. Maximum allowed concentration0.2mg/m3 (TLV) in indoor air. High toxic to fish and aquatic organisms, LC50 for bulltrout 15mg/l (96 h, 72°C). Toxic to bees. Acute oral LD50 of 40.7% chlorpyrifos EC for rats 590mg/kg, acute dermal for rabbits LD50 2330mg/kg, irritation to skin and eyes. Acute oral of 14% G for rats LD50>2g/kg, acute dermal for rats LD50>2g/kg, acute inhale LC50>0.007μg/L(7 h), irritation to eyes and skin. 
    Quality standard

    Item name

    Index

    Content:  %≥ 

    95.0,96.0,97.0,98.0

    Water content:  %≤ 

    0.2

    Acidity(based on H2SO4): %≤ 

    0.5

    Mode of action: Thiophosphate insecticide; Contact, stomach, and respiratory action.
    Non persistent on leaves, persistent in soil, high efficiency for the control of underground pests. At the recommended dosage, no phytotoxicity for most crop, but sensitive to tobacco.
    Specification: ≥95%, 96%,97%,98%
    Packing: 200kgs Iron Drum  or according to clients demands.

     

  • Uses :
    Used for protection of fruits, vegetables. cotton, flowers and plants; also used for controlling of pests in soil, ectoparasites on livestock and household pests..
  • Molecular Structure :
    Chlorpyrifos 2921-88-2

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