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Chemical: Chlorpyrifos 
Use category: Insecticide 
Content & formulation: Chlorpyrifos 97% TC,Chlorpyrifos 480g/L EC


  • Description
  • Specification
  • Packaging & Shipping

Common name chlorpyrifos (BSI, E-ISO, ANSI, ESA, BAN); chlorpyriphos ((m) F-ISO, JMAF); chlorpyriphos-hyl ((m) France)

IUPAC name O,O-diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate 

Chemical Abstracts name O,O-diethyl O-(3,5,6-trichloro-2-pyridinyl) phosphorothioate 

CAS RN [2921-88-2] 

Mol. wt. 350.6 

M.f. C9H11Cl3NO3PS 

Form Colourless crystals, with a mild mercaptan odour. 

M.p. 42-43.5  

V.p. 2.7 mPa (25 ) 

KOW logP = 4.7 

Henry 6.76 ´ 10-1 Pa m3 mol-1 (calc.) 

S.g./density 1.44 (20 ) 

Solubility In water c. 1.4 mg/l (25 ). 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 ). 

Mode of action Non-systemic insecticide with contact, stomach, and respiratory action.  Uses Control of Coleoptera, Diptera, Homoptera and Lepidoptera in soil or on foliage in over 100 crops


Specification for Chlorpyrifos 97% TC




Taupe brown to white crystal

 Content of a.i.


Acetone insolubles




 Acidity(as H2SO4)


Specification for Chlorpyrifos 480g/L EC




Homogeneous liquid

 Content of a.i.




 Acidity(as H2SO4)


 Emulsion stability (as 0.5% aqueous solution)


Stability at 0℃

The volume of solid and/or liquid which separates shall not be more than 0.3 ml.


Packaging :

Liquid: 200L, 20L/Drum, 1L, 500mL/bottle or according to the client's requirements. 
Solid: 25kg/fiber drum, 25kg/bag, 1kg, 500g/aluminium foil bag or according to the client's requirements.

Shipping: According to order's quantity