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Diss Factsheets

Environmental fate & pathways

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:
2012

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

Constituent 1
Chemical structure
Reference substance name:
3-(4,6-dimethoxy-1,3,5-triazin-2-yl)-7-fluoro-2,3-dihydro-1H-indol-2-one
EC Number:
930-401-4
Cas Number:
1383706-71-5
Molecular formula:
C13H11FN4O3
IUPAC Name:
3-(4,6-dimethoxy-1,3,5-triazin-2-yl)-7-fluoro-2,3-dihydro-1H-indol-2-one

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:
0
Sampling time:
14 d
Parameter:
% degradation (O2 consumption)
Value:
0
Sampling time:
21 d
Parameter:
% degradation (O2 consumption)
Value:
0
Sampling time:
28 d
Details on results:
The test item is considered to be “Not Readily Biodegradable“.
The reference compound sodium benzoate showed 87 % degradation after 14 days.

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Interpretation of results:
under test conditions no biodegradation observed
Conclusions:
The test item is considered to be “Not Readily Biodegradable“.