Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
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:
- 13 april 2017 to 10 july 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
- Version / remarks:
- 2017
- Deviations:
- no
- GLP compliance:
- yes
Test material
- Reference substance name:
- Glycerides, C10-20 and C10-20-unsatd., oxidized
- EC Number:
- 295-734-3
- EC Name:
- Glycerides, C10-20 and C10-20-unsatd., oxidized
- Cas Number:
- 92128-40-0
- Molecular formula:
- Not available
- IUPAC Name:
- Glycerides, C10-20 and C10-20-unsatd., oxidized
- Reference substance name:
- Docosanoic acid
- EC Number:
- 204-010-8
- EC Name:
- Docosanoic acid
- Cas Number:
- 112-85-6
- Molecular formula:
- C22H44O2
- IUPAC Name:
- docosanoic acid
- Test material form:
- liquid
Constituent 1
Constituent 2
Study design
- Inoculum or test system:
- activated sludge, domestic, non-adapted
- Details on inoculum:
- The inoculum was a fresh sample of activated sludge and was collected from the aeration tank of a sewage treatment plant receiving predominantly domestic sewage.
- Duration of test (contact time):
- 28 d
Results and discussion
% Degradation
- Key result
- Parameter:
- % degradation (O2 consumption)
- Value:
- > 62
- St. dev.:
- 3.13
- Sampling time:
- 28 d
- Details on results:
- Based on ThOD NH4 , the degradation rate of the test item “EPALINE 100 - CORN OIL PEROXIDISED”did not reach 60% within the 10-Day window (40.15% on Day 13) but after 28 days of incubation (62.07%).
Under conditions of OECD Guideline 301F, the test item “EPALINE 100 - CORN OIL PEROXIDISED” reach 62.07% after 28 days of incubation and can be considered readily biodegradable based on ThOD NH4 , therefore the 10 Day window failed.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable
- Conclusions:
- Under conditions of OECD Guideline 301F, the test item “EPALINE 100 - CORN OIL PEROXIDISED” reach 62.07% after 28 days of incubation and can be considered readily biodegradable based on ThOD NH4.
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