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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Hydrolysis

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Administrative data

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Reference
Endpoint:
hydrolysis
Data waiving:
other justification
Justification for data waiving:
other:
Justification for type of information:
Data waiving
Reason: Other justification.
Justification: Hydrolysis is not a relevant process for tungsten carbide, as in principle, water acts as an oxidizing agent with tungsten compounds (Lassner and Schubert, 1999). The behavior of the test substance in water is more accurately examined through the Transformation/Dissolution testing protocol (see section 4.8).

Description of key information

Data waiving

Reason: Other justification

Justification: Hydrolysis is not a relevant process for tungsten carbide, as in principle, water acts as an oxidizing agent with tungsten compounds (Lassner and Schubert, 1999). The behavior of the test substance in water is more accurately examined through the Transformation/Dissolution testing protocol (see section 4.8).

Key value for chemical safety assessment

Additional information