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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Description of key information

Additional information


The substance is not expected to significantly hydrolyze at environmental conditions.

The only group possibly susceptible to hydrolysis is the amide group which has half-lives measured in centuries at pH 7 (Mabey and Mill 1978). Moreover the molecule is fully conjugated and therefore a hydrolytically sensitive amide group is not present in the molecule anymore.



The substance is expected to be persistent or even very persistent in the environment. It is a pigment which are generally not biodegradable.



Due to the low logKow (<<3) the substance is not expected to have any adsorption potential.