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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

The available study conducted in compliance with OECD 209 indicates that the test substance is not toxic to microorganisms (Ciba Geigy 1991). The study revealed an EC50 and an EC20 > 100 mg/L (nominal).