Registration Dossier
Registration Dossier
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EC number: 921-909-7 | CAS number: -
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 990
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- Deviations:
- yes
- Remarks:
- reduced volume
- GLP compliance:
- yes (incl. QA statement)
Test material
Reference
- Name:
- Unnamed
- Type:
- Constituent
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, industrial (adaptation not specified)
- Duration of test (contact time):
- 28 d
Initial test substance concentrationopen allclose all
- Initial conc.:
- 22.5 mg/L
- Based on:
- test mat.
- Initial conc.:
- 41.1 mg/L
- Based on:
- test mat.
Results and discussion
% Degradation
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 0
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- under test conditions no biodegradation observed
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