Registration Dossier
Registration Dossier
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EC number: 207-293-6 | CAS number: 459-57-4
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Study period:
- 08.06.1993 - 06.07.1993
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 993
- Report date:
- 1993
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- GLP compliance:
- yes
Test material
- Test material form:
- liquid
- Specific details on test material used for the study:
- Purity 98.7 % [GC a/a]
Study design
- Inoculum or test system:
- activated sludge, domestic, non-adapted
- Duration of test (contact time):
- 28 d
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- CO2 evolution
Reference substance
- Reference substance:
- benzoic acid, sodium salt
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 0.3
- Sampling time:
- 7 d
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 28.4
- Sampling time:
- 14 d
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 61.8
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Conclusions:
- The test item did not fulfill the criteria for ready biodegradability but is to be regarded as inherently biodegradable.
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