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
Year:
1992
Report Date:
1992

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: OECD 301 D (CLOSED BOTTLE TEST)
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Reference substance
Reference substance:
other: Sodium benzoate

Results and discussion

% Degradation
Value:
37.5
Sampling time:
28 d
Details on results:
Points of degradation plot (Test substance)
20.5 % degradation after 5d
23.9 % degradation after 14d
41 % degradation after 21d
37.5 % degradation after 28d


BOD5 / COD results

Results with reference substance:
Points of degradation plot (referance substance)
56.9 % degradation after 5d
77.8 % degradation after 14d
83.8 % degradation after 21d
86.8 % degradation after 28d

Any other information on results incl. tables

Comments:

Dispersion of the substance with ultra sone.

Applicant's summary and conclusion

Interpretation of results:
other: not readily biodegadable