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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

In a 3-h activated sludge respiration inhibition test, microorganisms were exposed to B508 at nominal concentrations of 0 (control) and 100 mg/L under static conditions. The NOEC value was 100 mg/L and the EC50 >100 mg/L (as nominal concentrations).
The present toxicity study is classified as reliable without restrictions.

Key value for chemical safety assessment

EC10 or NOEC for microorganisms:
100 mg/L

Additional information