Registration Dossier
Registration Dossier
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EC number: 269-927-8 | CAS number: 68391-08-2
Short-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
Both Key studies shows that there is no toxic effects up to the water solubility.
Key value for chemical safety assessment
Additional information
A static limit test (DAI84111) was conducted with the water accomodated fraction. The test vessel was coated with the test item for 14 days before the test started. Duration of the test was 96 hours. Thirty test organisms were exposed to the water accomodated fraction and the control. For the preparation of the water accomodated fraction, a suspension with a nominal loading of 100 mg/L was shaken for 96 hours. After phase separation, the clear liquid phase was used for the test.
All effect levels are based on the initially measured concentration of the test item (0.14 mg/L). At the end of the test the concentration of the test item was below the detection limit of 0.009 mg/L. Sorption to the glass of the test vessels is unlikely as the walls were already pre-coated for 14 days before the test started.
The 96-hour NOEC and LC0 was 0.14 mg/L. The 96-hour LC50 and LC100 was > 0.14 mg/L.
A limit test (DAi84113) with the water accomodated fraction was conducted on test item. A coating period of 14 days was carried out prior to study start. The study was conducted under static conditions for a period of 48 hours. Twenty test organisms were exposed to the water accomodated fraction and control. The water accomodated fraction was analytically verified by GC analysis. The mean
measured concentration of the water accomodated fraction was 0.70 mg/L.
At the water accomodated fraction concentration of 0.70 mg/L, no biologically significant effect was determined. No immobilization was observed in either the control or the saturated solution at 24 or 48-hours. The 48-hour NOEC and EC0 values were 0.70 mg/L. The 48-hour EC50 value was > 0.70 mg/L.
Water quality parameters of pH and dissolved oxygen concentration measured at 0 and 48 hours were determined to be within acceptable limits. The validity criteria of the test guideline were fulfilled.
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