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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:
1 (reliable without restriction)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1993
Report date:
1993

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD 301D (1992)
GLP compliance:
yes

Test material

Constituent 1
Reference substance name:
Dastib 845
IUPAC Name:
Dastib 845

Study design

Reference substance
Reference substance:
other: Natrium-Benzoeesauresalz

Results and discussion

% Degradation
Parameter:
% degradation (O2 consumption)
Value:
37.5
Sampling time:
28 d
Details on results:
Points of degradation plot (test substance):
20.5 % degradation after 5 d
23.9 % degradation after 14 d
41 % degradation after 21 d
37.5 % degradation after 28 d

BOD5 / COD results

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

Applicant's summary and conclusion

Interpretation of results:
other: not readily biodegradable