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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Administrative data

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Description of key information

48-hour acute toxicity can be determined based on the results of the range finding and definitive phase of the Daphnia reproduction test 
The range finding test indicated that the 48h-EC50 was between 10 and 100 mg/L
The definitive test indicated that the 48h-EC50(immobility) was between 20 and 50 mg/L based on nominal concentrations
Based on linear interpolation the 48 h EC50 is ca. 35 mg/L based on nominal concentrations

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
35 mg/L

Additional information

Following the review of the Daphnia reproduction test (8237037) conducted with 2-(ethylamino)ethanol it can be concluded that the 48 hour EC50 for Daphnia magna was between nominal concentrations of 20 and 50 mg/L (using graphical interpolation this is approximatley 35 mg/L)

The overall mean measured concentrations of 2-(Ethylamino)ethanol in samples of test media were 0.585, 1.35, 3.11, 7.55, 21.0 and 49.1 mg/L, corresponding to 114, 105, 97.1, 94.4, 105 and 98.3% of the nominal concentrations, respectively. Results were therefore based on nominal concentrations.