Registration Dossier
Registration Dossier
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EC number: 222-012-7 | CAS number: 3317-67-7
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
- Title:
- Unnamed
- Year:
- 2 017
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- [29H,31H-phthalocyaninato-N29,N30,N31,N32]cobalt
- EC Number:
- 222-012-7
- EC Name:
- [29H,31H-phthalocyaninato-N29,N30,N31,N32]cobalt
- Cas Number:
- 3317-67-7
- Molecular formula:
- C32H16N8Co
- IUPAC Name:
- [29H,31H-phthalocyaninato-N29,N30,N31,N32]cobalt
1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic, non-adapted
- Details on inoculum:
- Activated sludge collected from the aeration tank of a sewage treatment plant receiving predominantly domestic sewage.
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 100 mg/L
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
Reference substance
- Reference substance:
- other: sodium benzoate
Results and discussion
% Degradation
- Key result
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- under test conditions no biodegradation observed
- Conclusions:
- Based on the null degradation observed in 28 days, the test item is not readily biodegradable, and it can also be concluded that it is not inherently biodegradable.
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