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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 EC50 value of Denatonium benzoate in Vibrio fischeri during a 15 minute exposure was estimated to be 511.58 mg/L based on the effects on behaviour of the organisms.

Key value for chemical safety assessment

EC50 for microorganisms:
511.58 mg/L

Additional information

The toxicity of Denatonium benzoate to micro-organisms was estimated using QSAR Toolboox version 3.3

The EC50 value of Denatonium benzoate in Vibrio fischeri during a 15 minute exposure was estimated to be 511.58 mg/L based on the effects on behaviour of the organisms. This value indicates that the substance is not likely to exhibit toxicity to micro-organisms.