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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

The NOEC and LOEC were determined to be 1.0 and 3.2 mg/L respectively. The EyC50 and ErC50 were determined to be 8.5 and 22 mg/L respectively.

Key value for chemical safety assessment

EC50 for freshwater algae:
22 mg/L
EC10 or NOEC for freshwater algae:
1 mg/L

Additional information

Testing was conducted in accordance with OECD guideline 201 and GLP. The 72 hour static freshwater test in Pseudokirchneriella subcapitata determined the NOEC and LOEC to be 1.0 and 3.2 mg/L respectively. The EyC50 and EyC10 were determined as 8.5 and 1.3 mg/L respectively. The ErC50 and ErC10 were determined as 22 and 4.8 mg/L respectively.