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:
1997

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method C.4-B (Determination of the "Ready" Biodegradability - Modified OECD Screening Test)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
425-980-0
EC Name:
-
Cas Number:
129499-78-1
Molecular formula:
C12H18O11
IUPAC Name:
(5R)-5-[(1S)-1,2-dihydroxyethyl]-4-hydroxy-3-{[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-2,5-dihydrofuran-2-one

Study design

Reference substance
Reference substance:
other: Aniline (Aldrich Chemie GmbH)

Results and discussion

% Degradation
Value:
100
Sampling time:
28 d
Remarks on result:
other: other information is unknown
Details on results:
Points of degradation plot (test substance):
81 % degradation after 7 d
92 % degradation after 14 d
100 % degradation after 21 d
100 % degradation after 28 d

BOD5 / COD results

Results with reference substance:
Points of degradation plot (reference substance):
37
100 % degradation after 7 d
100 % degradation after 14 d
100 % degradation after 21 d
99 % degradation after 28 d

Applicant's summary and conclusion

Interpretation of results:
readily biodegradable