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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Dissociation constant

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Administrative data

Link to relevant study record(s)

Description of key information

The pKa value of MeS have been calculted by the SPARC model to be 10.13, and two publications reported pKa at 9.8 and 9.87.

Key value for chemical safety assessment

Additional information

No experimental data is available for this endpoint.

The published and calculated pKa values are in the range 9.8 to 10.1, a weight of evidence is then applied.