Registration Dossier
Registration Dossier
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EC number: 287-828-8 | CAS number: 85586-25-0
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: GLP guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 998
- Report date:
- 1998
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- ISO Draft (BOD Test for Insoluble Substances)
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 301 D (Ready Biodegradability: Closed Bottle Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- Fatty acids, rape-oil, Me esters
- EC Number:
- 287-828-8
- EC Name:
- Fatty acids, rape-oil, Me esters
- Cas Number:
- 85586-25-0
- Molecular formula:
- Unspecified
- IUPAC Name:
- methyl (11Z)-icos-11-enoate; methyl (13Z)-docos-13-enoate; methyl (9E)-octadec-9-enoate; methyl (9Z,12Z)-octadeca-9,12-dienoate
- Details on test material:
- - Name of test material (as cited in study report): FETTSÄUREMETHYLESTER
- Analytical purity: 100%
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic, non-adapted
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 100 mg/L
- Based on:
- COD
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
Reference substance
- Reference substance:
- acetic acid, sodium salt
Results and discussion
% Degradation
- Parameter:
- % degradation (O2 consumption)
- Value:
- 87
- Sampling time:
- 28 d
- Details on results:
- Since the test substance showed a degradation > 60% after 7 days the 10 day window is passed.
Any other information on results incl. tables
Table: degardation of reference and test substance
Substance |
Degradation [%] |
|||
7d |
14d |
21d |
28d |
|
reference |
76 |
86 |
89 |
94 |
Test substance |
62 |
77 |
81 |
87 |
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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