Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Endpoint summary

Administrative data

Description of key information

Additional information


4,4'-Methylenebis(2-chloroaniline) is hydrolytically stable.


4,4'-Methylenebis(2-chloroaniline) is not readily nor inherently biodegradable and further testing is not required.


The available experimental and non-experimental data indicate that 4,4'-methylenebis(2-chloroaniline) has a BCF which is lower than the classification threshold of 2000 L/kg.

Transport and distribution:

The experimentally determined Koc of 4,4'-methylenebis(2-chloroaniline) is 3700 L/kg at 35°C. The log Koc is 3.56.