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:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: documentation insufficiend for assessment; only raw data available

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
1981

Materials and methods

Principles of method if other than guideline:
other: closed bottle test, comparable to OECD TG 301 D
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
2,3-dichloroaniline
EC Number:
210-157-9
EC Name:
2,3-dichloroaniline
Cas Number:
608-27-5
Molecular formula:
C6H5Cl2N
IUPAC Name:
2,3-dichloroaniline
Details on test material:
Name of test material (as cited in raw data): 2,3-Dichloranilin
Analytical purity: 99.2 %

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
activated sludge (adaptation not specified)
Duration of test (contact time):
28 d
Initial test substance concentration
Initial conc.:
2.4 mg/L
Based on:
test mat.
Parameter followed for biodegradation estimation
Parameter followed for biodegradation estimation:
O2 consumption
Details on study design:
no data

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

Applicant's summary and conclusion

Interpretation of results:
under test conditions no biodegradation observed