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EC number: 806-509-1
CAS number: 1393571-42-0
Studies on three trophic levels performed on a water accommodated
fraction are available, all indicating an LC/EC50 above water
solubility. The fish test (Harlan 2013b) is considered not valid due to
high mortality in the controls. Fish treated at 100 mg/L (loading rate)
did not show any mortality or abnormal behaviour and the absence of
effects seems to confirm the outcome of the daphnia and algae tests.
For the test substance the daphnia study on a WAF indicated no toxicity
at the level of quantification of the analytical method (0.054 mg/L)
(harlan 2012e). For algae the NOEC was 0.12 mg/L based on measured
concentrations (study performed with WAF, Harlan 2012f). The NOEC of the
algae study will be used as starting point for the derivation of the
A test on toxicity to microorganisms gave a NOEC of 1000 mg/L (Harlan
Based on the outcome of the risk assessment a daphnia reproduction study
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