Registration Dossier
Registration Dossier
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EC number: 211-949-7 | CAS number: 719-59-5
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
- Report date:
- 2018
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- 2-amino-5-chlorobenzophenone
- EC Number:
- 211-949-7
- EC Name:
- 2-amino-5-chlorobenzophenone
- Cas Number:
- 719-59-5
- Molecular formula:
- C13H10ClNO
- IUPAC Name:
- (2-amino-5-chlorophenyl)(phenyl)methanone
- Test material form:
- solid: particulate/powder
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.:
- 100 mg/L
- Based on:
- test mat.
Parameter followed for biodegradation estimationopen allclose all
- Parameter followed for biodegradation estimation:
- CO2 evolution
- Parameter followed for biodegradation estimation:
- O2 consumption
Reference substance
- Reference substance:
- benzoic acid, sodium salt
Results and discussion
% Degradation
- Key result
- Parameter:
- % degradation (O2 consumption)
- Value:
- > 25
- Sampling time:
- 14 d
- Details on results:
- All the validity criteria for OECD 301 F were successful.
BOD5 / COD results
BOD5 / CODopen allclose all
- Key result
- Parameter:
- ThOD
- Value:
- 47.4 other: NH4
- Key result
- Parameter:
- ThOD
- Value:
- 41.48 other: NO3
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- not readily biodegradable
- Conclusions:
- Biodegradability was determined according to OECD301F guideline. The study shows the following results :
- ThOD NH4 = 47.4 % after 28 days
- ThOD NO3 = 41.48% after 28 days
The test item is not considered as readly biodegradable. - Executive summary:
Biodegradability was determined according to OECD301F guideline. The study shows the following results :
- ThOD NH4 = 47.4 % after 28 days
- ThOD NO3 = 41.48% after 28 days
The test item is not considered as readly biodegradable.
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