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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 anitcipated when introduced in appropriate low concentrations. 

Key value for chemical safety assessment

Additional information

The effect of the substance on the respriration rate of activated sludge was determined in a study following OECD guideline 209. The respiration rate was monitored for 30 minutes. Based on the nominal test substance concentrations an EC20 of 1000 mg/l (EC50 >1000 mg/l) was determined (BASF AG 1998).