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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Environmental fate & pathways

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Description of key information

Additional information

Biodegradation tests for the different environmental compartments should not be performed for inorganic substances. Specific justification for waiving with references to the REACH Regulation are mentioned below.

Biodegradation in water (screening tests) and in soil:

According to column 2 of REACH Annex VII, the study does not need to be conducted for inorganic substances, such as zirconium dioxide.

Biodegradation in water and sediment: simulation tests:

The study does not need to be performed as zirconium dioxide is an inorganic substance and biodegradation is therefore not relevant (refer to section 5.2.1). In addition, in accordance with Annex IX of REACH, section, the study need not be conducted if the substance is highly insoluble in water.