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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Environmental fate & pathways

Biodegradation in water: screening tests

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Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Body responsible for the test

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Sturm. OECD GUIDELINE 301 B (1984) EEC Directive 84/449 (1984) - Annex V - Method C4
Deviations:
not specified
GLP compliance:
yes

Test material

Constituent 1
Reference substance name:
Body responsible for the test
IUPAC Name:
Body responsible for the test
Test material form:
not specified

Study design

Oxygen conditions:
not specified
Inoculum or test system:
not specified
Duration of test (contact time):
28 d
Initial test substance concentration
Initial conc.:
20 mg/L
Based on:
not specified

Results and discussion

% Degradation
Value:
28
Sampling time:
28 d
Details on results:
Points of degradation plot (test substance):
4 % degradation after 2 d
11 % degradation after 6 d
18 % degradation after 10 d
23 % degradation after 14 d
28 % degradation after 28 d

Any other information on results incl. tables

Points of degradation plot (reference substance):

4 % degradation after 2 d

11 % degradation after 6 d

18 % degradation after 10 d

23 % degradation after 14 d

28 % degradation after 28 d

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Interpretation of results:
under test conditions no biodegradation observed
Conclusions:
The test substance is not readily biodegradable under the conditions of the test.