Registration Dossier
Registration Dossier
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EC number: 813-604-1 | CAS number: 68533-01-7
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:
- 28.04.2014 - 04.07.2014
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 015
- Report date:
- 2015
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- [(1r,4r)-4-(carbamoylamino)cyclohexyl]urea
- EC Number:
- 813-604-1
- Cas Number:
- 68533-01-7
- Molecular formula:
- C8 H16 N4 O2
- IUPAC Name:
- [(1r,4r)-4-(carbamoylamino)cyclohexyl]urea
- Test material form:
- solid
- Details on test material:
- Batch: 492-14-01
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, non-adapted
- Details on inoculum:
- Origin: Municipal waste water treatment plant Mannheim, Germany
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 20 mg/L
- Based on:
- TOC
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- CO2 evolution
Reference substance
- Reference substance:
- aniline
Results and discussion
% Degradation
- Key result
- Parameter:
- % degradation (CO2 evolution)
- Value:
- < 10
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- not readily biodegradable
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