Registration Dossier

Administrative data

Hazard for aquatic organisms

Hazard for air

Hazard for terrestrial organisms

Hazard for predators

Additional information

Conclusion on classification

1-Phenyl-3-methyl-4-(p-dodecylphenylazo)-5-pyrazolone is highly insoluble and there is no expected acute toxicity at levels up to the water solubility. In addition, the substance is not readily biodegradable based on biodegradation estimates. Furthermore, the log Kow of this substance is ≥ 4. Taken together, this information indicates that 1-Phenyl-3-methyl-4-(p-dodecylphenylazo)-5-pyrazolone is classified as Aquatic Chronic 4.