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EC number: 701-338-8 | CAS number: -
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
- Reason / purpose for cross-reference:
- data waiving: supporting information
- Reason / purpose for cross-reference:
- data waiving: supporting information
- 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
- Reason / purpose for cross-reference:
- data waiving: supporting information
- Reason / purpose for cross-reference:
- data waiving: supporting information
Referenceopen allclose all
Description of key information
Simulation testing on ultimate degradation in surface water and sediment was waived, in accordance with Regulation (EC) No.1907/2006, Annex IX, Column 2.
Key value for chemical safety assessment
Additional information
According to Regulation (EC) No.1907/2006, Annex IX, Column 2, simulation testing on ultimate degradation in surface water need not be conducted if the substance is readily biodegradable or if the substance is highly insoluble in water. The predicted water solubility of the substance (the key value for risk assessment is a surrogate value of 0.1 g/L, indicating that the substance is soluble in water. However, the substance is considered to be readily biodegradable, but failing the 10-day window, based on a experimental results from an analogue substance through read-across. The substance is expected to undergo rapid hydrolysis in the environment. Therefore, simulation testing on ultimate degradation in surface water is not indicated.
According to Regulation (EC) No.1907/2006, Annex IX, Column 2, simulation testing on ultimate degradation in sediment need not be conducted if the substance is readily biodegradable or if direct or indirect exposure of sediment is unlikely. The substance is considered to be readily biodegradable, but failing the 10-day window, based upon experimental results from an analogue substance through read-across. The substance is expected to undergo rapid hydrolysis in the environment. Therefore, simulation testing on ultimate degradation in sediment is not indicated.
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