Product Name

Clethodim

Function

Herbicide

Specification

90%Tech, clethodim24%EC, clethodim12%EC

Chemical Name

( E,E )-(?-2-[1-[[(3-chloro-2-propenyl)oxy]imino]propyl]-5-[2-(ethylthio)propyl]-3-hydroxy-2-cyclohexen-1-one

CAS No.

99129-21-2

Empirical Formula

C17H26ClNO3S

Toxicology

Oral  Acute oral LD50 for male rats 1630, female rats 1360, male mice 2570, female mice 2430 mg/kg.   Skin and eye  Acute percutaneous LD50 for rabbits >5000 mg/kg. Moderate skin irritant (rabbits). Not a skin sensitiser (guinea pigs). 

Inhalation  LC50 (4 h) for rats >3.9 mg/l (total aerosol). 

NOEL  for mice 30, rats 16, dogs 1 mg/kg daily. 

ADI  (JMPR) 0.01 mg/kg b.w. [1999]; 0.16 mg/kg (Canada); 0.01 mg/kg (USA). 

Toxicity class  WHO (a.i.) III (company classification); EPA (formulation) III 

Applications

 ClethodimMode of action  Systemic herbicide, rapidly absorbed and readily translocated from treated foliage to the root system and growing parts of the plant.  clethodim  Uses  Post-emergence control of annual and perennial grasses, at 60-240 g/ha, in a wide range of broad-leaved crops (including such field crops as soya beans, cotton, flax, sunflowers, alfalfa, peanuts, oilseed rape, sugar beet, tobacco, and potatoes), vegetable crops, trees and vines. To be used with a non-phytotoxic crop oil concentrate.  Phytotoxicity  Good tolerance in broad-leaved crops.