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Crop Protection Database

Chlorpyrifos

Action/Use:
  • Insecticide
Use: For aphids, ants, armyworm, billbugs, chinch bugs, corn borers, corn earworm, corn rootworm, cotton leafworm, cutworms, flea beetles, grasshoppers, grubs, lesser cornstalk borer, locusts, mole crickets, seedcorn maggot (slurry seed treatment), sowbugs in field crops, forage, nursery crops, ornamentals, vegetables, and dormant application to fruit trees. Chariot* for use on citrus.
Identification
Common Name(s): Chlorpyrifos (ANSI, BSI, ISOE, ESA); ; chlorpyriphos (JMAF, ISOF); ; chlorpyriphos-éthyl (France)
Chemistry
Class: Organophosphate.
Properties: White granular crystals. Melting point 41°-42°C. Soluble in acetone, benzene, chloroform, ethanol, iso-octane, methanol, and organic solvents.
Chlorpyrifos
Mode of Action / Resistance Management
Chemical Group: organophosphates
Mode of Action: Acetylcholinesterase (AChE) inhibitors
Action Group: IRAC Group 1B
Environmental Guidelines
Hazards: Fish: LC50 0.18 (24 h) (goldfish); < 1 mg/l (mosquito fish). Bird: Oral LD50 32 mg/kg (hen). Bee: Toxic
Water Solubility: 2 ppm at 25°C
Safety Guidelines
Signal Word: DANGER, WARNING (Lorsban* 4E), CAUTION (Lorsban* 15G)
Toxicity Class: I, II, III
Toxicity: (Rat): Oral LD50 96-270 mg/kg. (Rabbit): Dermal LD50 2000 mg/kg. (Guinea pig): Oral LD50 504 mg/kg
Spill Control/cleanup: Large liquid spillage should be dammed-off and pumped into containers; soak up remainder with absorbent material and dispose of in accordance with local regulations. Solid spillage should be picked up with an industrial vacuum cleaner and disposed of in accordance with local regulations
Product/waste Disposal: Dispose of by special means (suitable incineration, etc.) in accordance with local regulations
Suppliers and Branded Products
Basic Producers:
AgriGuard Ltd. (Ultraphos*)
Agriphar S.A. (Destroyer*, Profos*, Terminus*)
Agsin Pte. Ltd. (Chlorcap*, Genpest*, X-Phos*, Zapyrifos*)
BASF Corporation (DuraGuard* ME)
Cheminova A/S (Cyren*, Nufos*)
Coromandel International Limited (Hexaban*, Integer*, Trishul*)
Dow AgroSciences LLC (Dursban*, Empire*, Equity*, Govern*, Hatchet*, Lentrek*, Lock-On*, Lorsban*, Lorsban* Advanced)
Gharda Chemicals Ltd. (Chlorguard*, Navigator*, Pilot*, Terraguard*)
Indiclay (Pyri-Tox*)
Kukbo Science Co., Ltd. (Clean Zone* MC, CleanBait*, CleanBait* Gold, CleanBait* Gold Up)
Makhteshim Agan Group (Master*, Pyrinex*)
Nanjing Red Sun Co., Ltd. (Tongyi Shun*, Wan Biao*)
Tyeng Long Incorporation (Alfa*, Alfa Killer*, ALFA-PLUS*, Best OP*, Catch Roaches*, Chark Killer*, Double Effect*, GO-100%*, Jet Manage*, Magic Circle*, Roach Away*, Roach Taker*, Super-attact*)
Zagro Singapore Pte. Ltd. (X-Phos*, Zapyrifos*)
Formulators' Trade Names:
Agrolex Pte. Ltd. (Amichlor*)
Agroquimicos Versa, S.A. de C.V. (Clorver*, Rokach*, Thermine*)
Chema Industries (Carbathos*, Rodan*)
Chemiplant S.A. (Shooter*)
Diachem S.p.A. (Piridane*)
Dupocsa, Protectores Quimicos para el Campo S.A. (Anaconda*, Cryspirofos*, Pyrinox*)
Frunol Delicia GmbH (Contra-Insect*)
Gowan Company (Lorsban*)
Inquiport, S.A. (Dorsan*)
Invesa S.A. (Rafaga*)
Ladda Co., Ltd. (Chloridin*)
M/S HPM Chemicals and Fertilizers Ltd. (Terminator*, Trisul*, Vardan*)
Parijat Industries (India) Pvt. Ltd. (Gibraltor*, Locslay*, Mortel*, Napoleon*)
Proficol (Arriero*, Pyrinex*)
SAFA TARIM A.S. (Pestban*, Safban*, Sarban*)
SM-BT Co., Ltd. (SM* Chlopho)
United Phosphorus Ltd. (Chloroban*, Fullback*, Panda*)
Willowood Ltd. (Riba Super*, Wichlor*, Wiclor*)
Premix Products:
+ Acephate
+ Acetamiprid
+ Bifenthrin
+ Cyfluthrin
+ gamma-Cyhalothrin
+ lambda-Cyhalothrin
+ beta-Cypermethrin
+ Cypermethrin+ Piperonyl Butoxide
+ zeta-Cypermethrin
+ Deltamethrin
+ Dichlorvos
  • Detmol Du*
+ Dimethoate
+ Endosulfan
+ Imidacloprid
+ Permethrin
+ Propoxur
+ Triazophos
+ Trichlorfon
Discontinued Names:
Blaze*
Bullet*
Calitox*
Champion Fog*
Chlorfos*
Chloxur*
Clarnet*
Clatar*
Clorep*
Cugat*
Curinga*
Cypadur*
Cyper Normal K*
Damfos*
Diafos*
Dorsan-C*
Drill*
Duropaz*
Ebon*
Fairichlor*
Hitcel*
Ideal-2*
KO Ben K*
Lantos*
Lethal*
Malasol*
Micekill*
Mondial*
Pageant*
Piramid*
Pyrinex K*
Regetta*
Scorpoton*
Scout*
Stipend*
ThiLor*
Vacate*
Woproban*