Registration Dossier
Registration Dossier
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EC number: 700-380-4 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
Based on the predicted high logPow (~11.76) and the low water solubility of the substance (5.2 µg/L at 25°C/pH 6) test on acute aquatic toxicity is considered not to be required in accordance to regulation (EC) 1272/2006 annex VII column II. However, an acute fish test using a vehicle for preparation of test solution was initiated. No effects within the water solubility were observed. The calculated (geometric mean measured concentration) LC50 is >0.1 mg/L.
Furthermore, for risk assessment purposes a limit test (saturated concentration) on chronic toxicity reproduction study on daphnia magna was performed. No toxicity on reproduction of Daphnia magna was observed in a saturated solution (concentration of 5 µg/L, indicating that any effect concentration, including the EC10, is higher than the measured water solubility of the SymMollient S (water solubility: 3.5 µg/L hexadecyl nonanoate, 1.7 µg/L octadecyl nonanoate). Thus, only an unbounded NOEC value (5 µg/L) could be derived from the chronic toxicity test with Daphnia.
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