Registration Dossier

Physical & Chemical properties

Viscosity

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Administrative data

Link to relevant study record(s)

Description of key information

Waiving

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.