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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

A Respiration Inhibition Test with activated sludge according to OECD Guideline No. 209 was carried out with the test item in year 2012. The NOEC of the test item is 10 mg/L for total respiration, heterotrophic respiration and nitrification. The test item is not toxic up to the concentration of 10 mg/L to activated sludge of a municipal sewage treatment plant. The EC50 of the test item is 28.4 mg/L for total respiration, 28.0 mg/L for nitrification and 29.2 mg/L for heterotrophic respiration. 

Key value for chemical safety assessment

EC50 for microorganisms:
28.4 mg/L
EC10 or NOEC for microorganisms:
10 mg/L

Additional information