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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Biodegradation in soil

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Administrative data

Link to relevant study record(s)

Description of key information

No significant degradation is expected

Key value for chemical safety assessment

Additional information

Experimental data on the biodegradation of 3,3’,5,5’-tetramethyl-4,4’-diaminodicyclohexylmethane in soil are not available. As the substance is neither considered as readily nor as inherently biodegradable, no significant degradation is expected. Due to the results of the OECD test results significant biodegradation cannot be expected for the substance in the environment. This finding is supported by the chemical structure of the substance which indicates a low potential for biodegradation. Therefore, no further tests on biodegradation are performed because it is not expected that further testing will significantly change this assessment.