Registration Dossier

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:
2 (reliable with restrictions)

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: 84/449/EWG, C.5 (Mod. Sturm)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2-benzyl-2-dimethylamino-4'-morpholinobutyrophenone
EC Number:
404-360-3
EC Name:
2-benzyl-2-dimethylamino-4'-morpholinobutyrophenone
Cas Number:
119313-12-1
Molecular formula:
C23 H30 N2 O2
IUPAC Name:
2-benzyl-2-(dimethylamino)-1-[4-(morpholin-4-yl)phenyl]butan-1-one

Study design

Duration of test (contact time):
28 d
Initial test substance concentration
Initial conc.:
20 mg/L
Reference substance
Reference substance:
aniline

Results and discussion

% Degradationopen allclose all
Parameter:
% degradation (CO2 evolution)
Value:
2
Sampling time:
7 d
Parameter:
% degradation (CO2 evolution)
Value:
2
Sampling time:
11 d
Parameter:
% degradation (CO2 evolution)
Value:
2
Sampling time:
15 d
Parameter:
% degradation (CO2 evolution)
Value:
1
Sampling time:
22 d
Parameter:
% degradation (CO2 evolution)
Value:
3
Sampling time:
28 d

BOD5 / COD results

Results with reference substance:
69.6 % degradation after 7 d
78.3 % degradation after 11 d
81.1.% degradation after 15 d
84.9 % degradation after 22 d
87.2 % degradation after 28 d

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Interpretation of results:
under test conditions no biodegradation observed