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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Ecotoxicological information

Toxicity to soil microorganisms

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Administrative data

Link to relevant study record(s)

Description of key information

An adaptation has been submitted to address this data requirement, as exposure to this compartment is unlikely. More importantly, ditantalum pentaoxide is practically insoluble in water and as it is an inorganic substance it cannot be dissolved in organic solvents. As a result, testing of the effect of ditantalum pentaoxide to soil organisms (especially via soil pore-water exposure) is technically not feasible. Therefore, further testing is considered inappropriate.

Key value for chemical safety assessment

Additional information