Registration Dossier

Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

Currently viewing:

Administrative data

Link to relevant study record(s)

Description of key information

The 72-hour EC10, EC20 and EC50 and the NOEC, calculated in terms of geometric mean of measured concentrations of test item and nominal test item concentration, for the two end-points, are
Growth rate and Yield 0 -72 h EC10= >0.41 mg/L
Growth rate and Yield 0 -72 h EC20= >0.41 mg/L
Growth rate and Yield 0 -72 h EC50= >0.41 mg/L
Growth rate and Yield 0 -72 h NOEC = 0.41 mg/L

Key value for chemical safety assessment

EC10 or NOEC for freshwater algae:
0.41 mg/L

Additional information

A limit test was conducted on freshwater green algae. No effect was observed at the tested concentrations, therefore no EC50 was determined. The 72 h - NOEC was found to be = 0.41 mg/L based on measured concentrations.