Registration Dossier
Registration Dossier
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EC number: 424-640-9 | CAS number: 202842-98-6
Biodegradation in water and sediment: simulation tests
Administrative data
- Endpoint:
- biodegradation in water: sediment simulation testing
- Type of information:
- experimental study
- Adequacy of study:
- key study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 308 (Aerobic and Anaerobic Transformation in Aquatic Sediment Systems)
- Deviations:
- no
Test material
Constituent 1
- Radiolabelling:
- yes
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- natural water / sediment: freshwater
- Duration of test (contact time):
- 106 d
Initial test substance concentration
- Initial conc.:
- 0.112 mg/L
- Based on:
- test mat.
Results and discussion
Mean total recoveryopen allclose all
- Compartment:
- natural water / sediment: freshwater
- % Recovery:
- 88.32
- Remarks on result:
- other:
- Compartment:
- natural water / sediment: freshwater
- % Recovery:
- 84.51
- Remarks on result:
- other:
Half-life of parent compound / 50% disappearance time (DT50)open allclose all
- Key result
- Compartment:
- natural water / sediment: freshwater
- DT50:
- 33.4 d
- Type:
- (pseudo-)first order (= half-life)
- Temp.:
- 12 °C
- Remarks on result:
- other:
- Key result
- Compartment:
- natural water / sediment: freshwater
- DT50:
- 25.2 d
- Type:
- (pseudo-)first order (= half-life)
- Temp.:
- 12 °C
- Remarks on result:
- other:
- Key result
- Compartment:
- natural water / sediment: freshwater
- DT50:
- 17.6 d
- Type:
- (pseudo-)first order (= half-life)
- Temp.:
- 20 °C
- Remarks on result:
- other:
- Key result
- Compartment:
- natural water / sediment: freshwater
- DT50:
- 13.3 d
- Type:
- (pseudo-)first order (= half-life)
- Temp.:
- 20 °C
- Remarks on result:
- other:
- Compartment:
- natural water / sediment: freshwater
- DT50:
- 11 d
- Type:
- (pseudo-)first order (= half-life)
- Temp.:
- 20 °C
- Remarks on result:
- other:
- Compartment:
- natural water / sediment: freshwater
- DT50:
- 36.8 d
- Type:
- (pseudo-)first order (= half-life)
- Temp.:
- 20 °C
- Remarks on result:
- other:
- Compartment:
- natural water / sediment: freshwater
- DT50:
- 6 d
- Type:
- (pseudo-)first order (= half-life)
- Temp.:
- 20 °C
- Remarks on result:
- other:
- Compartment:
- natural water / sediment: freshwater
- DT50:
- 91.7 d
- Type:
- (pseudo-)first order (= half-life)
- Temp.:
- 20 °C
- Remarks on result:
- other:
Applicant's summary and conclusion
Validity criteria
- Validity criteria fulfilled:
- yes
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