Chloroxuron

The chloroxuron is a active substance of Produit plant health (or Produit phytopharmacological, or Pesticide), which presents an effect Herbicide, and which belongs to the chemical family of the substituted ureas.

Regulation

In the field of the regulation of the phytopharmacological produced :

for the European Union: this active substance is nonconstant for the inscription with appendix I of the Directive 91/414/CEE.
for the France: this active substance is not authorized in the composition of preparations profiting from a marketing authorization.

Physicochemical characteristics

The physicochemical characteristics, whose order of magnitude is indicated hereafter, influence the risks of transfer of this active substance towards water, and risks it pollution the waters:

Hydrolysis with pH 7: very stable,
Solubility: 2 mg/l,
Coefficient of division carbon organics-water: 3 000 cm ³ /g. This parameter, noted Koc, represents the potential of retention of this active substance on the Organic matter of the ground. The mobility of the active matter is reduced by its absorption on the particles of the ground.
Lasted of half-life: 60 days. This parameter, noted DT50, represents the potential of degradation this active substance, and its speed of degradation in the ground.
Coefficient of division octanol-water: 3,7. This parameter, noted Log Kow or Log P, measurement the Hydrophily (low values) or the Lipophilia (strong values) of the active substance.

Ecotoxicology

In the field of the ecotoxicology, the lethal concentrations 50 (CL50) whose order of magnitude is indicated hereafter, is observed:

CL50 on Poisson S: 25 mg/l,
CL50 on Daphnid S: 4,3 mg/l,
CL50 on Alga S: 0,016 mg/l.

Toxicity for the man

In the field of the Toxicity for the Man, the Dose acceptable day laborer (DJA) is about: 0,02 mg/kg/j.

See too

Substance activates of a phytopharmacological product
Liste of active substances of plant health products
Liste of active substances of phytopharmacological products authorized by the European Union
Liste of active substances of phytopharmacological products prohibited by the European Union

Random links: