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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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

Two short term respiration inhibition tests conducted by BASF (1988, 1993) demonstrate the effect on domestic and industrial activated sludge. The EC20 values were > 1000 mg/L in both studies. In a study exposing Pseudomonas putida to not neutralised test solutions an EC10 of 274 mg/L was observed.