Registration Dossier
Registration Dossier
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EC number: 605-924-3 | CAS number: 181314-46-5
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:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- Waxes and Waxy substances, jojoba, iso-Pr esters
- EC Number:
- 605-924-3
- Cas Number:
- 181314-46-5
- Molecular formula:
- No molecular formula available (UVCB)
- IUPAC Name:
- Waxes and Waxy substances, jojoba, iso-Pr esters
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, non-adapted
Initial test substance concentration
- Initial conc.:
- ca. 28 mg/L
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
Reference substance
- Reference substance:
- benzoic acid, sodium salt
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (O2 consumption)
- Value:
- ca. 96.9
- Sampling time:
- 14 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- ca. 100
- Sampling time:
- 28 d
- Key result
- Parameter:
- % degradation (O2 consumption)
- Value:
- > 60
- Sampling time:
- 7 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable
- Executive summary:
The percentage biodegradation of the test substance was greater than 60% at 7 days under the conditions of the study presently performed, which showed it also exceeded 60% in 10-day window.
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