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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Viscosity

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
viscosity
Data waiving:
study technically not feasible
Justification for data waiving:
the study does not need to be conducted because the substance is a solid

Description of key information

D-8 is a solid at ambient temperature, thus viscosity determination is scientifically unjustified.

Key value for chemical safety assessment

Additional information

The determination of viscosity is scientifically unjustified. Viscosity is an intrinsic property of a fluid and a dimension for the viscidity of a fluid medium. D-8 is a powdery solid with a melting point of 129 °C. Therefore, fluid properties are not applicalbe for D-8 at ambient conditions. As a result, the determination of the viscosity is scientifically unjustified.