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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

In an activated sludge respiration inhibition test the EC50 value was found to be >2000 mg/L, the EC10 was found to be 360 mg/L.

Key value for chemical safety assessment

EC10 or NOEC for microorganisms:
360 mg/L

Additional information

The substance Cyclohexanaminium, N,N,N-trimethyl-, sulfate (2:1) was not tested for toxicity to morcoorganisms. Data from the structural analogue substance Cyclohexanaminium, N,N,N-trimethyl-, hydroxide (1:1) was used. A 3 hours-activated sludge respiration inhibition test was conducted. The resaults are EC10 of 360 mg/L and EC50 of >2000 mg/L (based on nominal effect concentrations). Based on the active ingredient, the EC50 was > 1000 mg/L and the EC10 was 180 mg/L.