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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Although there is no data available concerning ready biodegradability, the substance is very unlikely to be readily biodegradable. Studies on the biodegradability in water of four members of the category of derivatives of 4,4’-bis(1,3,5-triazinyl-2-yl)amino)stilbene-2,2’-disulfonic acid, each with one anilino and one alkyl amino moiety, are available. All studies (for EC 432-690-8, EC 240-521-2, EC 476 -900 -6, and EC 416 -640 -2) demonstrate that the test substances are not readily biodegradable in the available studies.

No data on the biodegradation in sediments, surface water and soil are available for the test item. However, further biotic degradation testing shall be proposed if the chemical safety assessment according to Annex I indicates the need to investigate further degradation of the substance and its degradation products. It is assumed that the test substance is not biodegradable in simulation tests either. Therefore, simulation studies on surface water, sediments and soil are not provided.