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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

Two studies available.
Toxicity to aquatic algae and cyanobacteria.001:
ErC50 = 72.3 mg/L
NOEC = 12.4 mg/L
Toxicity to aquatic algae and cyanobacteria.002
ErC50 = >54.98 mg/L
NOEC = 0.93 mg/L

Key value for chemical safety assessment

EC50 for freshwater algae:
72.3 mg/L
EC10 or NOEC for freshwater algae:
12.4 mg/L

Additional information

Both available studies were conducted according to recognised test methods and in accordance with GLP. One study report is only available in French, with only an English summary, and only gives a limit value for ErC50, whereas the other is fully available in English and gives a definitive value for ErC50. The study that is available fully in English was also conducted much more recently (January 2009), and for these reasons this study is used for the key values for this endpoint.