Piperophos
Action/Use:
- Herbicide
Use:
Active against annual grasses and sedges on seeded or transplanted rice.
Identification
Common Name(s): Piperophos (BSI, ISOE, (m) ISO-F)
Chemistry
Class: Organophosphate.
Properties: Colorless oily liquid. Boiling point >250°C: thermal decomposition begins before c. 190°C. Miscible with acetone, benzene, dichloromethane, hexane, octanol.
Mode of Action / Resistance Management
Mode of Action: Inhibition of VLCFAs (Inhibition of cell divison)
Action Group: HRAC Group K3
Registration
U.S.A.: Not registered.
Environmental Guidelines
Water Solubility: 25 mg/l at 20°C
Hazards: Fish: LC50 (96 h) >6 mg/l (rainbow trout). Bird: Nontoxic; Dietary (8 day) LC50 11629 ppm. Bee: Nontoxic; Oral LD50 >22 µg/bee
Safety Guidelines
Signal Word: DANGER
Toxicity Class: I
Toxicity: (Rat): Oral LD50 324 mg/kg; Inhalation LC50 (1 h) >1.96 mg/l air. (Rabbit) Dermal LD50 >2150 mg/kg
Suppliers and Branded Products
Discontinued Names:
Avirosan*
