Registration Dossier
Registration Dossier
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EC number: 411-380-6 | CAS number: 147315-50-2 CG 30-1577
Short-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
With high probability acutely not harmful to aquatic invertebrates. No acute toxic effects occur within the range of solubility.
Key value for chemical safety assessment
Additional information
The acute toxicity to invertebrates was tested in a GLP guideline study according to OECD 202 (CIBA-GEIGY 1993f) using Daphnia magna. Due to the low solubility of the test substance supersaturated stock solutions using an emulsifier (alkylphenol-polyglycolether) have been prepared. Calculated amounts of the stock solutions to produce the desired test concentrations (nominal: 10, 18, 32, 58 and 100 mg/L) were given into the water and were homogeneously distributed. A deposit of test substance was observed at all concentrations except 10 mg/l at the end of exposure. However, no acute toxic effects have been observed within the range of solubility in any of the tested concentrations. Therefore, the EC50 after 48 h is above 100 mg/L (nominal) and 11.2 mg/L (measured at the end of the test), respectively.
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