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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Key study:- Clarke (2011b) 'CN-3384A: Assessment of the inhibitory effect on the respiration of activated sewage sludge' conducted in line with OECD Guideline 209, EU Method C11 and EPA OPPTS 850.6800. The 3 hour EC50 was determined to be >1000 mg/L and the NOEC was determined to be 1000 mg/L.

Key value for chemical safety assessment

EC10 or NOEC for microorganisms:
1 000 mg/L

Additional information

The key study was performed in compliance with GLP and to OECD Guideline 209, EU Method C.11 and EPA OPPTS 850.6800 with a sufficient level of detail to assess the quality of the study. The study was performed to a good standard in line with an accepted, standardised guideline and was assigned a reliability score of 1 using the criteria for assessing data quality as set out in Klimisch (1997).