Registration Dossier
Registration Dossier
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EC number: 468-880-2 | CAS number: 102985-93-3
Biodegradation in water and sediment: simulation tests
Administrative data
Link to relevant study record(s)
- Endpoint:
- biodegradation in water: sediment simulation testing
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- the study does not need to be conducted because the substance is readily biodegradable
- Endpoint:
- biodegradation in water: simulation testing on ultimate degradation in surface water
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- the study does not need to be conducted because the substance is readily biodegradable
Referenceopen allclose all
Description of key information
The performance of simulation tests for biodegradation in water and sediment is scientifically unjustified.
Regulation (EC) No 1907/2006 (REACH), Annex IX, Sect. 9.2.1.2 and Sect. 9.2.1.4, Col. 2, states as follows:
“9.2.1.2/9.2.1.4: The study need not to be conducted:
– the substances is highly insoluble in water; or
– the substance is readily biodegradable.
and
- if the substance is readily biodegradable; or
– if direct and indirect exposure of sediment is unlikely."
In accordance with column 2 of REACH Annex IX, Simulation testing on ultimate degradation in surface water and sediment simulation testing was not conducted since the the substance has an estimated low water solubility and it is hydrolytically unstable and readily biodegradable. Due to the unstable nature of the test substance, it can be assumed that upon contact with water and organic matter, the test item undergoes rapid degradation resulting in the formation of respective degradation products.
Key value for chemical safety assessment
Additional information
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