Registration Dossier
Registration Dossier
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EC number: 243-473-0 | CAS number: 20030-30-2
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Guideline study. adapted sludge was used.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 988
- Report date:
- 1988
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- 2,5,6-trimethylcyclohex-2-en-1-one
- EC Number:
- 243-473-0
- EC Name:
- 2,5,6-trimethylcyclohex-2-en-1-one
- Cas Number:
- 20030-30-2
- Molecular formula:
- C9H14O
- IUPAC Name:
- 2,5,6-trimethylcyclohex-2-en-1-one
- Details on test material:
- - Name of test material (as cited in study report): 2,3,6-Trimethylcyclohexen-1-one
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, industrial (adaptation not specified)
- Details on inoculum:
- Source of incoculum: BASF treatment plant
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 100 other: µl/l
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
Reference substance
- Reference substance:
- aniline
Results and discussion
% Degradation
- Parameter:
- % degradation (O2 consumption)
- Value:
- < 10
- Sampling time:
- 28 d
- Details on results:
- Kinetic of test substance (in %):
< 10 after 28 day(s)
BOD5 / COD results
- Results with reference substance:
- Kinetic of control substance (in %):
< 10 after 3 day(s)
> 70 after 10 day(s)
Applicant's summary and conclusion
- Interpretation of results:
- other: poorly biodegradable
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