Registration Dossier
Registration Dossier
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EC number: 210-157-9 | CAS number: 608-27-5
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: documentation insufficiend for assessment; only raw data available
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 1 981
Materials and methods
- Principles of method if other than guideline:
- other: closed bottle test, comparable to OECD TG 301 D
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 2,3-dichloroaniline
- EC Number:
- 210-157-9
- EC Name:
- 2,3-dichloroaniline
- Cas Number:
- 608-27-5
- Molecular formula:
- C6H5Cl2N
- IUPAC Name:
- 2,3-dichloroaniline
- Details on test material:
- Name of test material (as cited in raw data): 2,3-Dichloranilin
Analytical purity: 99.2 %
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge (adaptation not specified)
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 2.4 mg/L
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
- Details on study design:
- no data
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0
- Sampling time:
- 7 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0
- Sampling time:
- 14 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0
- Sampling time:
- 21 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Interpretation of results:
- under test conditions no biodegradation observed
- Executive summary:
Bayer, 1981:
In the perfomed closed bottle test no biodegradation of 2,3-DCA was observed.
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