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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

Toxicity to aquatic algae: EC50 value and NOEC was equal or higher than 80.6 mg/L.

Key value for chemical safety assessment

EC50 for freshwater algae:
80.6 mg/L
EC10 or NOEC for freshwater algae:
80.6 mg/L

Additional information

Toxicity to auqatic algae

In a growth inhibition test on algae (OECD 201, EU Method C.3, GLP compliance) SIM-Ester was tested in a limit test (100 mg/L) over a test period of 72 hours. Since the measured concentration of the test item was out of the range (80 -120%) at the end of the test the exposure concentration was calculated as geometric mean which is corresponding to 80.6 mg/L. The obtained results showed that the test item had no toxic effect on algae up to at least the concentration of 80.6 mg/L. Accordingly, the EC10 and EC50 values based on growth rate and yield were determined to be higher than 80.6 mg/L. The NOEC was determined to be equal or higher than 80.6 mg/L.