Chlorpyrifos-methyl
Action/Use:
- Insecticide
Use:
Stored grain.
Identification
Common Name(s): Chlorpyrifos-methyl (ANSI, BSI, ISOE, ESA); ; Chlorpyriphos-methyl (ISOF)
Chemistry
Class: Organophosphate.
Properties: Solid. Melting point 45.5°-46.5°C. Vapor pressure 4.2 x10-5 mm Hg at 25°C.
Mode of Action / Resistance Management
Chemical Group: Organophosphate
Mode of Action: Acetylcholine esterase inhibitor
Action Group: IRAC Group 1
Registration
U.S.A.: Registration review documents opened to the public by US EPA March 31, 2010.
Environmental Guidelines
Hazards: Fish: Toxic. Bee: Highly toxic
Water Solubility: Poor solubility, 4 mg/l at 24°C
Safety Guidelines
Signal Word: CAUTION
Toxicity Class: III
Toxicity: (Rat): Oral LD50 >3000 mg/kg. Dermal >3700 mg/kg. (Rabbit): Dermal LD50 >2000 mg/kg. (Guinea Pig): Oral LD50 2250 mg/kg. (Mouse): Oral LD50 1100-2250 mg/kg
Suppliers and Branded Products
Basic Producers:
Formulators' Trade Names:
Chema Industries (Dofos*)
Medmac for Manufacturing Agricultural Chemicals & Veterinary Products Ltd. (Chlorban*, Relban*)
Vietnam Pesticide Joint Stock Co. (VIPESCO) (Virofos*)
Premix Products:
+ lambda-Cyhalothrin
- Aquaphos* — Chema Industries
+ Deltamethrin
- Storcide* II — Bayer CropScience
Discontinued Names:
Cordon* Plus
Okawa*
