Registration Dossier
Registration Dossier
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EC number: 249-482-6 | CAS number: 29171-20-8
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 19.12.1988-16.1.1989
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: non GLP study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 988
- Report date:
- 1990
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 E (Ready biodegradability: Modified OECD Screening Test)
- GLP compliance:
- no
Test material
- Reference substance name:
- 3,7-dimethyloct-6-en-1-yn-3-ol
- EC Number:
- 249-482-6
- EC Name:
- 3,7-dimethyloct-6-en-1-yn-3-ol
- Cas Number:
- 29171-20-8
- Molecular formula:
- C10H16O
- IUPAC Name:
- 3,7-dimethyloct-6-en-1-yn-3-ol
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, industrial (adaptation not specified)
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 20 mg/L
- Based on:
- DOC
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- DOC removal
Reference substance
- Reference substance:
- benzoic acid, sodium salt
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (DOC removal)
- Value:
- 5
- Sampling time:
- 3 d
- Parameter:
- % degradation (DOC removal)
- Value:
- 10
- Sampling time:
- 7 d
- Parameter:
- % degradation (DOC removal)
- Value:
- 15
- Sampling time:
- 14 d
- Parameter:
- % degradation (DOC removal)
- Value:
- 57
- Sampling time:
- 20 d
- Parameter:
- % degradation (DOC removal)
- Value:
- 96
- Sampling time:
- 28 d
BOD5 / COD results
- Results with reference substance:
- 98% after 3 days
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable
- Conclusions:
- Dehydrolinalool is readily biodegradable
- Executive summary:
Dehydrolinalool is readily biodegradable
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