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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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


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Administrative data

Link to relevant study record(s)

Description of key information

Key value for chemical safety assessment

Additional information

As the substances comprised by the Diarylide Yellow Pigments are highly insoluble in water (e.g.DCB-AAA-AAOT<0.1 µg/L at 23°C), studies on hydrolysis as a function on pH could not be expected to yield any reasonable information and were therefore not conducted (waiving according to "column 2" in Annex VIII of REGULATION (EC) No 1907/2006).