Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Long-term toxicity to aquatic invertebrates

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Administrative data

Link to relevant study record(s)

Description of key information

Testing for this endpoint was omitted, as the available data showed sufficient evidence that the substance does neither need to be classified for the environment, nor assessed to be a PBT or vPvB. Additionally, tantalum metal is practically insoluble in water and therefore adverse effects on aquatic organisms are not expected. Further testing at this trophic levels was considered unnecessary.

Key value for chemical safety assessment

Additional information

The substance is not soluble in water and not considered to exert any toxic effect on aquatic environment.