Registration Dossier
Registration Dossier
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EC number: 208-816-0 | CAS number: 542-52-9
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 002
- Report date:
- 2002
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- Dibutyl carbonate
- EC Number:
- 208-816-0
- EC Name:
- Dibutyl carbonate
- Cas Number:
- 542-52-9
- Molecular formula:
- C9H18O3
- IUPAC Name:
- dibutyl carbonate
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic, non-adapted
- Details on inoculum:
- - Source of inoculum/activated sludge (e.g. location, sampling depth, contamination history, procedure): Municipal activated sludge from laboratory wastewater treatment plants fed with municipal sewage
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 100 mg/L
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
- Details on study design:
- TEST CONDITIONS
- Composition of medium: according to guideline
- pH adjusted: no
Reference substance
- Reference substance:
- aniline
Results and discussion
% Degradation
- Key result
- Parameter:
- % degradation (O2 consumption)
- Value:
- 60 - 70
- Sampling time:
- 28 d
- Remarks on result:
- other: after correction of the oxygen demand for nitrification
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
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