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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Biodegradation in water and sediment: simulation tests

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Endpoint:
biodegradation in water: sediment simulation testing
Data waiving:
study technically not feasible
Justification for data waiving:
the study does not need to be conducted because the substance is highly insoluble in water
Transformation products:
no
Endpoint:
biodegradation in water: sediment simulation testing
Data waiving:
study technically not feasible
Justification for data waiving:
the study does not need to be conducted because the substance is highly insoluble in water
Transformation products:
no

Description of key information

According to Annex IX section 9.2.1.2 (Simulation testing on ultimate degradation in surface water), Column 2 of regulation (EC) 1907/2006 the study does not need to be conducted as the substance is highly insoluble in water. Moreover, TiC is an inorganic substance and biodegradability is an endpoint not applicable to inorganic compounds. Therefore, biodegradation testing of TiC in sediments (REACH endpoint requirement 9.2.1.4) is scientifically unjustified. 

Key value for chemical safety assessment

Additional information