Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The substance does not contain a hydrolysable bond therefore no hydrolysis is possible.


Dapsone stability in aqueous solutions has been tested and published in literature. Dapsone was stable for at least three months at 4 degrees C and 25 degrees C.