Registration Dossier
Registration Dossier
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EC number: 605-301-6 | CAS number: 162691-59-0
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:
- 1 994
- Report date:
- 1994
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:
- 5-[3-(1-ethoxyethoxy)-3-methyl-4-penten-1-ynyl]-2,4,6,6-tetramethyl-5,6,7,7a-tetrahydro-1,3-benzodioxol-5-ol
- EC Number:
- 605-301-6
- Cas Number:
- 162691-59-0
- Molecular formula:
- C21 H32 O5
- IUPAC Name:
- 5-[3-(1-ethoxyethoxy)-3-methyl-4-penten-1-ynyl]-2,4,6,6-tetramethyl-5,6,7,7a-tetrahydro-1,3-benzodioxol-5-ol
- Details on test material:
- - Name of test material (as cited in study report): Asta-C15 -Acetal (C15-Act)
- Lot/batch No.: 25656/133 S
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic, non-adapted
- Details on inoculum:
- - Source of inoculum/activated sludge (e.g. location, sampling depth, contamination history, procedure): activated sludge taken from a WWTP treating municipal sewage.
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 100 mg/L
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
- Details on study design:
- TEST CONDITIONS
- pH: 8.2 - 8.6
Reference substance
- Reference substance:
- aniline
Results and discussion
% Degradation
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0 - 10
- Sampling time:
- 28 d
BOD5 / COD results
- Results with reference substance:
- Anilin: 67 % after 28 days
Applicant's summary and conclusion
- Interpretation of results:
- other: poorly biodegradable
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