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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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


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Administrative data

Link to relevant study record(s)

Description of key information


Key value for chemical safety assessment

Additional information

For this endpoint, the read across between PWH/ammonium and PWH/sodium salt is valid.

The read across justification is attached on section 13 of the dossier.

Viscosity is a property of liquids, and has to be tested to give an indication of a possibility for aspiration hazard and soil permeation. The substance is a paste, a very special kind of liquid, that can also be defined as very viscous liquid. The end point has not therefore been tested since the result will be in a very high value, outside any concern both for aspiration hazard and soil penetration.