Registration Dossier
Registration Dossier
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EC number: 913-404-5 | 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:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 998
- Report date:
- 1998
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: ISO 14593
- GLP compliance:
- yes
Test material
- Reference substance name:
- Reaction mass of iodine and 2-Pyrrolidinone, 1-ethenyl-, homopolymer
- EC Number:
- 913-404-5
- Molecular formula:
- Unspecified
- IUPAC Name:
- Reaction mass of iodine and 2-Pyrrolidinone, 1-ethenyl-, homopolymer
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): activated sludge from laboratory wastewater plants treating municipal and synthetic sewage.
- Concentration of sludge: 4 mg/I - Duration of test (contact time):
- 28 d
Initial test substance concentrationopen allclose all
- Initial conc.:
- 100 mg/L
- Based on:
- test mat.
- Initial conc.:
- 20 mg/L
- Based on:
- other: TOC
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- CO2 evolution
- Details on study design:
- TEST CONDITIONS
- pH: ca. 7.6
Reference substance
- Reference substance:
- aniline
Results and discussion
% Degradation
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 0 - 10
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Interpretation of results:
- other: poorly biodegradable
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