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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Depending on local conditions and exisiting concentrations, disturbances in the biodegradation process of activated sludge are possible.

Key value for chemical safety assessment

EC10 or NOEC for microorganisms:
23 mg/L

Additional information

Changes in the respiration rate of activated sludge in the presence of the test substance were examined in a guideline study according to OECD 209 with domestic activated sludge as inoculum. After an exposure of 180 minutes, an EC20 of 64 mg/L based on nominal concentrations was determined (BASF SE 2010).