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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Link to relevant study record(s)

Description of key information

GLP study reporting 72 h EL50 > 1000 mg/L (OECD 201)  

Key value for chemical safety assessment

EC50 for freshwater algae:
1 000 mg/L

Additional information

Methodological deficiencies rendered supporting studies unreliable. However, the key study was conducted in accordance with OECD methods and found growth of the cultures after 72 h was inhibited by a maximum of 22 % when expressed in terms of area under the growth curve and 6.5 % when expressed in terms of the average specific growth rate.