Registration Dossier

Ecotoxicological information

Endpoint summary

Administrative data

Description of key information

Additional information

No toxic effects occur in the range of water solubility.

- The test substance exhibits a very low water solubility (< 0.005 mg/L at 20°C). Therefore, bioavailability to aquatic organisms is strongly limited.

- All available tests (acute and chronic) for the test substance clearly show that toxic effects only occur far above the limit of water solubility.

  • Danio rerio LC50(96h) > 67 mg/L (OECD 203)
  • Daphnia magna EC50(48h) at a nominal concentration of 100 mg/L WAF (water accommodated fraction) > 100 mg/L (OECD 202)
  • Scenedesmus subspicatus EC50(72h) > 100 mg/L (OECD 201)
  • Daphnia magna NOEC >= 10 mg/L (NOEC = WAF of a loading rate of 10 mg/L; OECD 211)

- Activated sludge was not inhibited by the test substance: IC50 > 100 mg/L (OECD 209).