Registration Dossier
Registration Dossier
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EC number: 226-006-5 | CAS number: 5208-93-5
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:
- other: Guideline study.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 003
- Report date:
- 2003
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- 3-methyl-1-(2,6,6-trimethylcyclohex-1-en-1-yl)penta-1,4-dien-3-ol
- EC Number:
- 226-006-5
- EC Name:
- 3-methyl-1-(2,6,6-trimethylcyclohex-1-en-1-yl)penta-1,4-dien-3-ol
- Cas Number:
- 5208-93-5
- Molecular formula:
- C15H24O
- IUPAC Name:
- (4E)-3-methyl-5-(2,6,6-trimethylcyclohex-1-en-1-yl)penta-1,4-dien-3-ol
- Details on test material:
- - Name of test material (as cited in study report): Vinyljonol G
- Lot/batch No.: from continous production
- Analytical purity: 92.1 % (area)
water solubility: 151 mg/l.
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 concentrationopen allclose all
- Initial conc.:
- 20 mg/L
- Based on:
- DOC
- Initial conc.:
- 24 mg/L
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- CO2 evolution
Reference substance
- Reference substance:
- aniline
Results and discussion
% Degradation
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 60 - 70
- Sampling time:
- 28 d
- Details on results:
- Kinetic of test substance (in %):
= 3 after 1 day(s)
= 1 after 3 day(s)
= 34 after 13 day(s)
= 64 after 28 day(s)
BOD5 / COD results
- Results with reference substance:
- Kinetic of control substance (in %):
= 60 ... 70 after 14 day(s)
Applicant's summary and conclusion
- Interpretation of results:
- other: biodegradable
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