Registration Dossier

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)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1993

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Directive 84/449/CEE - C5
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2-butyl-4-chloro-5-formylimidazole
EC Number:
410-260-0
EC Name:
2-butyl-4-chloro-5-formylimidazole
Cas Number:
83857-96-9
Molecular formula:
C8 H11 Cl N2 O
IUPAC Name:
2-butyl-4-chloro-1H-imidazole-5-carbaldehyde

Study design

Reference substance
Reference substance:
aniline

Results and discussion

% Degradation
Parameter:
% degradation (CO2 evolution)
Value:
2
Sampling time:
28 d
Details on results:
Points of degradation plot (test substance):
2.2 % degradation after 5 d
1.5 % degradation after 10 d
0 % degradation after 19 d
2.2 % degradation after 28 d

BOD5 / COD results

Results with reference substance:
Points of degradation plot (reference substance):
21.9 % degradation after 5 d
75.9 % degradation after 10 d
83.3 % degradation after 19 d
92 % degradation after 28 d

Applicant's summary and conclusion

Interpretation of results:
other: not readily biodegradable