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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Endpoint summary

Administrative data

Description of key information

Additional information

The physical and chemical properties take into account for the Chemical Safety Assessment are:

Vapour pressure:

23x10 -4Pa at 20°C

Water solubility:

74 mg/L at 20°C

Octanol-water partition coefficient:

log Pow ca. 1 at 20°C

Melting point:

235 -240°C

"A mixture of: thiobis(4,1-phenylene)-S,S,S',S'-tetraphenyldisulfonium bishexafluorophosphate; diphenyl(4-phenylthiophenyl)sulfonium hexafluorophosphate" is a multi-constituent substance; the dry substance is a powder, but it is marketed in a 50% propylenecarbonate solution (pale yellow liquid).

The studies were included in the Notification dossier of the first Notifier (1989); since under Directive 67/548/EEC the studies of the first notifier were not included in the dossier, Lamberti has the letter of Access, but not the complete study reports.

These studies can be considered reliable since already evaluated by the Authority.