Registration Dossier
Registration Dossier
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EC number: 500-241-6 | CAS number: 69011-36-5 1 - 2.5 moles ethoxylated
Endpoint summary
Administrative data
Description of key information
Additional information
Acute aquatic data for three trophic levels are available (fish, aquatic invertebrates, algae). The most sensitive organism group in short-term testing were aquatic invertebrates. The determined effect concentration in available acute toxicity test with Daphnia magna was EC50 (48 h): 0.544 mg/L (geom. mean measured). The effect concentrations reported for fish and algae were LL50 (96h) > 1.1 mg/L (geom. mean measured) and ErC50 (72h): 3.4 mg/L (meas. arith. mean), respectively.
Long-term data is available for aquatic invertebrates and algae. Daphnia were also the most sensitive test organism in the available chronic toxicity tests. The determined NOEC (21 d) based on the reproduction rate of the daphnids was 0.218 mg/L (TWA). For algal growth an ErC10 (72h) of 1.33 mg/L (meas. arith. mean) was determined
An inhibition of sewage sludge organisms is not expected based on the results of an inhibition control.
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