Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

Administrative data

Link to relevant study record(s)

Description of key information

Under the test conditions, the 3h-EC50 of the substance was determined to be 40.5 mg/L for STP microorganisms.

Key value for chemical safety assessment

EC50 for microorganisms:
40.5 mg/L

Additional information

The toxicity to microorganisms was studied according to OECD TG No. 209 (1984) and GLP. The substance was tested at nominal concentrations of 1.00, 3.16, 10.0, 31.6 and 100 mg/L and the inoculum (microbial source) was activated sludge of a predominantly domestic sewage.

The EC50 for inhibition of respiration of activated sludge after 3 h contact time was 40.5 mg/L.