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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Adsorption / desorption

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Administrative data

Link to relevant study record(s)

Description of key information

The adsorption-desorption behaviour cannot be tested due the insolubility of diniobium pentaoxide.

Key value for chemical safety assessment

Additional information

The adsorption-desorption study according to OECD TG 106 is technically not feasible. Due the insolubility of diniobium pentaoxide in water analytical measurements cannot be performed with sufficient accuracy.