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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The inhibition of the degradation activity of activated sludge is not anticipated when introduced at appropriate low concentrations.

Key value for chemical safety assessment

Additional information

In a 30 min respiration inhibition test according to OECD 209 performed as a limit test, the effect of formamide on the respiration rate of activated sludge from an laboratory sewage treatment plant was investigated using the following nominal test concentration of 1000 mg/L. An inhibition of the respiration rate was not observed. The NOEC (30 min) was 1000 mg/L (Key study).