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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Toxicity to microorganisms

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Administrative data

Link to relevant study record(s)

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.