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EC number: 930-430-2 | CAS number: 1383692-20-3
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 study according to EU/OECD-guidelines.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.4-D (Determination of the "Ready" Biodegradability - Manometric Respirometry Test)
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- 1-difluoromethanesulfonyl-3-(4,6-dimethoxy-1,3,5-triazin-2-yl)-7-fluoro-1H-indol-2-ol
- EC Number:
- 930-430-2
- Cas Number:
- 1383692-20-3
- Molecular formula:
- C14H11F3N4O5S
- IUPAC Name:
- 1-difluoromethanesulfonyl-3-(4,6-dimethoxy-1,3,5-triazin-2-yl)-7-fluoro-1H-indol-2-ol
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- other: mixed population of aquatic microorganisms (activated sludge)
- Duration of test (contact time):
- 28 d
Reference substance
- Reference substance:
- benzoic acid, sodium salt
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0
- Sampling time:
- 7 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- 1
- Sampling time:
- 14 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- 1
- Sampling time:
- 21 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- 1
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- under test conditions no biodegradation observed
- Conclusions:
- The test item showed:
0 % degradation after 7 days
1 % degradation after 14 days
1 % degradation after 21 days
1 % degradation after 28 days
Therefore the test item is considered to be Not Readily Biodegradable.
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