Registration Dossier
Registration Dossier
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EC number: 215-363-2 | CAS number: 1324-11-4
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: screening test, other
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- 1978
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- documentation insufficient for assessment
Data source
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- COD and BOD5 according to Hoechst internal guideline
- GLP compliance:
- no
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge (adaptation not specified)
- Duration of test (contact time):
- 5 d
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
Results and discussion
% Degradation
- Remarks on result:
- other: BOD 5 and COD measured
BOD5 / COD results
BOD5 / CODopen allclose all
- Parameter:
- COD
- Value:
- 1 430 mg O2/g test mat.
- Parameter:
- BOD5
- Value:
- 25 mg O2/g test mat.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Interpretation of results:
- under test conditions no biodegradation observed
- Conclusions:
- The BOD5/COD ratio does not indicate any potential for biodegradation.
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