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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

Respiration of activated sludge was not inhibited testing concentrations of Sulfonic acids, C10 -21 alkane, Ph esters up to 10000 mg/L (Bayer Industry Services, 2006c).

Key value for chemical safety assessment

EC50 for microorganisms:
10 000 mg/L

Additional information

Should read >10000 mg/L.

An adverse effect towards microorganisms and thus the cleaning capacity of sewage treatment plants is not expected based on the presented results.