Registration Dossier
Registration Dossier
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EC number: 261-853-4 | CAS number: 59673-82-4
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1989
- Reliability:
- 3 (not reliable)
- Rationale for reliability incl. deficiencies:
- other: test method does not correspond to present methods, poor documentation
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 990
- Report date:
- 1990
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Richtlinie 79/831/EWG (Teil C)
- Deviations:
- not specified
- Principles of method if other than guideline:
- Manometric determination of the O2-consumption
- GLP compliance:
- no
Test material
- Reference substance name:
- Methyl 2-amino-4-[[(2,5-dichlorophenyl)amino]carbonyl]benzoate
- EC Number:
- 261-853-4
- EC Name:
- Methyl 2-amino-4-[[(2,5-dichlorophenyl)amino]carbonyl]benzoate
- Cas Number:
- 59673-82-4
- Molecular formula:
- C15H12Cl2N2O3
- IUPAC Name:
- methyl 2-amino-4-[(2,5-dichlorophenyl)carbamoyl]benzoate
- Details on test material:
- Purity 63 % as water wet substance
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic (adaptation not specified)
- Details on inoculum:
- source: waste water trwatment plant Frankfurt am Main / Sindlingen
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 301 mg/L
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0
- Sampling time:
- 7 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0
- Sampling time:
- 14 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0
- Sampling time:
- 21 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Interpretation of results:
- under test conditions no biodegradation observed
- Conclusions:
- Based on the test results the est item has to be considered as not readily biodegradable
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