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EC number: 302-446-4 | CAS number: 94109-09-8
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:
- 2 011
- Report date:
- 2011
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:
- Tri(tridecyl) benzene-1,2,4-tricarboxylate
- EC Number:
- 302-446-4
- EC Name:
- Tri(tridecyl) benzene-1,2,4-tricarboxylate
- Cas Number:
- 94109-09-8
- Molecular formula:
- C48H84O6
- IUPAC Name:
- tri(tridecyl) benzene-1,2,4-tricarboxylate
- Test material form:
- liquid
- Details on test material:
- - Moisture content: <= 0.1%
Constituent 1
- Specific details on test material used for the study:
- lot P-2960F-10, manufactured June 29, 2010
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic, adapted
- Details on inoculum:
- - Source of inoculum/activated sludge (e.g. location, sampling depth, contamination history, procedure): Annacis Island domestic wastewater treatment pilot
- Duration of test (contact time):
- ca. 28 d
Initial test substance concentration
- Initial conc.:
- ca. 2 other: % w/w
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
Results and discussion
% Degradation
- Key result
- Parameter:
- % degradation (O2 consumption)
- Value:
- ca. 2
- Sampling time:
- 28 d
BOD5 / COD results
- Results with reference substance:
- reference susbtance is canola oil and the biodegradation of canola oil at the end of the 28 days is 67%.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- no
- Interpretation of results:
- not readily biodegradable
- Conclusions:
- Tridecyl Trimellilate cannot be considered readily biodegradable because biodegradation did not surpass the 60% mark within a 10-d window during the 28-d exposure period.
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