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:
1 (reliable without restriction)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1995

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: EG C.4-E /OECD 301D (Geschlossener Flaschentest
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Reference substance
Reference substance:
other: Natriumbenzoat

Results and discussion

% Degradation
Value:
35
Sampling time:
28 d
Details on results:
Point of degradation plot (test substance):
7% degradation after 4 d
11% degradation after 7d
18% degradation after 11d
19% degradation after 14d
28% degradation after 18d
27% degradation after 21d
31% degradation after 25d
35% degradation after 28d

BOD5 / COD results

Results with reference substance:
63% degradation after 4d
68% degradation after 7d
80% degradation after 11d
76% degradation after 14d
80% degradation after 18d
78% degradation after21d
84% degradation after 25d
80% degradation after 28d

Any other information on results incl. tables

Information from migrated NONS file, as per inquiry number 06-0000014455-71-0000, permission to refer granted by ECHA.

The St.dev. and parameter were not available.

Applicant's summary and conclusion

Interpretation of results:
other: not readily biodegradable.