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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

The inhibition of the degradation activity of activated sludge is not anticipated when introduced in appropriate low concentrations. 

Key value for chemical safety assessment

Additional information

One guideline study on the respiration and growth of microorganisms respectively is available. The study was conducted in compliance with OECD 209 and investigated the respiration inhibition induced by the substance in activated sludge. Based on the respiration rate an EC50 >100 mg/l was determined after an inoculation time of 3 hours (RCC Ltd. 2002e).