Registration Dossier
Registration Dossier
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EC number: 945-952-6 | 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
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- 3-Mercaptopropyl-functionalized silica gel
- EC Number:
- 945-952-6
- Molecular formula:
- Si-CH2-CH2-CH2-SH
- IUPAC Name:
- 3-Mercaptopropyl-functionalized silica gel
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- sewage, domestic, non-adapted
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 10 mg/L
- Based on:
- other: carbon
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- CO2 evolution
Reference substance
- Reference substance:
- benzoic acid, sodium salt
Results and discussion
% Degradation
- Key result
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 62.36
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable, but failing 10-day window
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