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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

3h EC50 (activated sludge, domestic) = 680 mg/L (respiration inhibition test, EU method C.11)

Key value for chemical safety assessment

EC50 for microorganisms:
680 mg/L

Additional information

A reliable study on microorganisms is available for the C12-18AS Na (CAS 68955-19-1). In the GLP-study conducted according to the EU method C.11 an EC50 of 680 mg a.i./L is reported for the respiration rate after 3 h of exposure. This study is regarded as key study.