Registration Dossier
Registration Dossier
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EC number: 614-477-3 | CAS number: 6842-62-2
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP study according to OECD / EU guidelines
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 006
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- 1-chloro-3-(4-chlorophenoxy) benzene
- EC Number:
- 614-477-3
- Cas Number:
- 6842-62-2
- Molecular formula:
- C12 H8 Cl2 O
- IUPAC Name:
- 1-chloro-3-(4-chlorophenoxy) benzene
Constituent 1
Study design
- Inoculum or test system:
- activated sludge, non-adapted
- Duration of test (contact time):
- 28 d
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 10
- Sampling time:
- 10 d
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 27
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- other: not readily biodegradable
- Conclusions:
- Under the condition of the test conducted according to OECD Guideline 301 B 3,4'Dichlordiphenylether must be regarded as not readily biodegradable in the 10-d-window and after 28 days.
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