Registration Dossier
Registration Dossier
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EC number: 700-349-5 | CAS number: 33719-11-8
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)
Cross-referenceopen allclose all
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 999
- Report date:
- 1999
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 E (Ready biodegradability: Modified OECD Screening Test)
- Deviations:
- no
- Principles of method if other than guideline:
- No other methods
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- (1S,2S,6R)-3,5-dibenzyl-4-oxo-8lambda4-thia-3,5-diazatricyclo[6.3.0.0^{2,6}]undecan-8-ylium bromide
- EC Number:
- 700-349-5
- Cas Number:
- 33719-11-8
- Molecular formula:
- C22H25BrN2OS
- IUPAC Name:
- (1S,2S,6R)-3,5-dibenzyl-4-oxo-8lambda4-thia-3,5-diazatricyclo[6.3.0.0^{2,6}]undecan-8-ylium bromide
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic (adaptation not specified)
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 0.625 mg/L
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- DOC removal
Results and discussion
% Degradation
- Parameter:
- % degradation (DOC removal)
- Value:
- 22
- Sampling time:
- 28 d
- Details on results:
- Degradation of positive control aniline was found to be >98% after 28 days.
Any other information on results incl. tables
No overall remarks
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- inherently biodegradable
- Conclusions:
- Biodegradation < 10 % after 10 days (interpolated).
- Executive summary:
The biodegradation of thiophanium bromide is <10 % after 10 days (interpolated). The compound is not readily biodegradable under the conditions of the test.
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