Registration Dossier
Registration Dossier
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EC number: 272-657-3 | CAS number: 68901-15-5
Endpoint summary
Administrative data
Description of key information
Additional information
Studies evaluating the short term toxicity of the substance to aquatic organisms are available for three trophic levels (fish, aquatic invertebrates, algae). An LC50 (96 h) of 0.205 mg/L (geom. mean meas.) was found for fish, an EC50 (48 h) of 11.3 mg/L (arithm. mean meas.) for aquatic invertebrates and an ErC50 (72 h) of 69.2 mg/L (geom. mean meas.) for algae.
Long term toxicity data are available for aquatic invertebrates and algae with a respective NOEC (21 d) of 3.2 mg/L (arithm. mean meas.) and ErC10 (72 h) of 30.2 mg/L (geom. mean meas.).
The substance did not cause inhibition of activated sludge microorganisms, as indicated by the toxicity control of the study on ready biodegradability. A NOEC (28 d) of≥3 mg/L (nominal) was determined. Therefore, inhibition of the degradation process in sewage treatment plants is not expected.
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