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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 hydrolysis study of Diphenyl sulphone was conducted according to the standard OECD guideline 111. The preliminary test for hydrolysis of Diphenyl sulphone was conducted at 50 ± 0.5°C in the dark at pH 4, 7 and 9 buffer solutions for a period of 5 days. Based on the preliminary test data generated in this study, Diphenyl sulphone was found hydrolytically stable in pH 4, 7 and 9 buffers at 50 ± 0.5°C, with less than 10% degradation at each pH. These results clearly indicate that the compound Diphenyl sulphone was stable over a period of 5 days at 50 ± 5°C which would indicate a DT50 of >1 year at 25°C. So according to the instructions of the test guideline, an additional test did not have to be conducted.