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)
Rationale for reliability incl. deficiencies:
other: A study summary was made available by ECHA under Article 25, Para 3, of EC Regulation 1907/2006, without detailed documentation.

Data source

Reference
Reference Type:
other: Body responsible for test
Title:
Unnamed
Year:
1999

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: OECD Guideline No. 301C. Modified MITI test (1)
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Duration of test (contact time):
28 d
Reference substance
Reference substance:
aniline

Results and discussion

% Degradationopen allclose all
Parameter:
% degradation (CO2 evolution)
Value:
0
Sampling time:
7 d
Parameter:
% degradation (CO2 evolution)
Value:
0
Sampling time:
14 d
Parameter:
% degradation (CO2 evolution)
Value:
0
Sampling time:
21 d
Parameter:
% degradation (CO2 evolution)
Value:
0
Sampling time:
28 d

BOD5 / COD results

Results with reference substance:
70% degradation after 7 days
91% degradation after 14 days
100% degradation after 21 days
100% degradation after 28 days

Applicant's summary and conclusion

Interpretation of results:
under test conditions no biodegradation observed
Conclusions:
The test substance is not readily biodegradable