Registration Dossier
Registration Dossier
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EC number: 206-860-5 | CAS number: 387-45-1
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: inherent biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study without detailed documentation
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 984
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 302 B (Inherent biodegradability: Zahn-Wellens/EMPA Test)
- Version / remarks:
- 1984
- GLP compliance:
- no
Test material
- Reference substance name:
- 2-chloro-6-fluorobenzaldehyde
- EC Number:
- 206-860-5
- EC Name:
- 2-chloro-6-fluorobenzaldehyde
- Cas Number:
- 387-45-1
- Molecular formula:
- C7H4ClFO
- IUPAC Name:
- 2-chloro-6-fluorobenzaldehyde
- Test material form:
- liquid
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, industrial, adapted
- Details on inoculum:
- Biologische Abwasserreinigungsanlage der Höchst AG
- Duration of test (contact time):
- 27 d
Initial test substance concentrationopen allclose all
- Initial conc.:
- 150 mg/L
- Based on:
- DOC
- Initial conc.:
- 300 mg/L
- Based on:
- DOC
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- DOC removal
Reference substance
- Reference substance:
- diethylene glycol
Results and discussion
% Degradation
- Parameter:
- % degradation (DOC removal)
- Value:
- < 10
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- not inherently biodegradable
- Conclusions:
- The substance is considered to be non biodegradable under the test conditions.
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