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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 key study, an activated sludge respiration inhibition test, shows that the NOEC, EC10 and EC50 after 3 hours were clearly higher than 832 mg TFA/L. 

Key value for chemical safety assessment

EC10 or NOEC for microorganisms:
832 mg/L

Additional information

This endpoint is covered by one key study, performed according to standard guidelines and GLP, which evaluated the influence of Sodium trifluoroacetate (NaTFA) on the activated sludge respiration rate under defined conditions.

In this study, the 3 hours EC10, EC20 and EC50 could not be quantified because up to the highest nominal test concentration (1000 mg NaTFA/L, corresponding to 832 mg TFA/L) less than 10% inhibition was noted. Nevertheless, the 3-hour EC20 and EC50 are clearly higher than 832 mg TFA/L under the present test conditions. The NOEC/EC10 may be established above 832 mg TFA/L.