Registration Dossier
Registration Dossier
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EC number: 939-725-0 | CAS number: -
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- other information
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Referenced source in an international report.
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- Dimethylformamide, SIDS Initial Assessment Report For SIAM 13
- Author:
- OECD
- Year:
- 2 001
- Bibliographic source:
- UNEP PUBLICATIONS
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Various concentrations of DMF (80-440 mg/l) were exposed under constant stirring to adapted and non-adapted municipal waste water for at most 10 days at 20 °C. During exposure the bacterial oxygen consumption was measured once a day. The nutrient medium was supplemented with yeast extract or glucose.
- GLP compliance:
- no
Test material
- Reference substance name:
- N,N-dimethylformamide
- EC Number:
- 200-679-5
- EC Name:
- N,N-dimethylformamide
- Cas Number:
- 68-12-2
- Molecular formula:
- C3H7NO
- IUPAC Name:
- N,N-dimethylformamide
- Test material form:
- not specified
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- other: adapted and non-adapted municipal waste water
- Duration of test (contact time):
- 10 d
Initial test substance concentration
- Initial conc.:
- 80 - 440 mg/L
- Based on:
- test mat.
Results and discussion
% Degradation
- Parameter:
- % degradation (O2 consumption)
- Value:
- 90
- Sampling time:
- 9 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Interpretation of results:
- readily biodegradable
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