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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Activated sludge Respirometry Inhibition: EL50 >100 mg/l and NOELR of 100 mg/l, 3 hours (OECD 209)

Key value for chemical safety assessment

EC50 for microorganisms:
100 mg/L

Additional information

Water Accommodated Fractions (WAFs) of two CTO Samples caused no acute toxic effects on bacteria in an Activated Sludge, Respiration Inhibition Test as Limit Test conducted according to OECD 209. A 3 h EL50 of > 100 mg/L and a NOELR of 100 mg/L have been determined for the test substance.