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Diss Factsheets

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)
Rationale for reliability incl. deficiencies:
other: GLP complicance, not OECD guideline

Data source

Reference
Reference Type:
other: inquiry result from ECHA
Title:
Unnamed
Year:
2014

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: 92/69/EWG, C.4-C (CO2-Entw.)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
426-480-5
EC Name:
-
Cas Number:
63562-33-4
Molecular formula:
C17H15O6P
IUPAC Name:
2-({9-oxo-8-oxa-9λ⁵-phosphatricyclo[8.4.0.0²,⁷]tetradeca-1(10),2,4,6,11,13-hexaen-9-yl}methyl)butanedioic acid

Study design

Reference substance
Reference substance:
other: Natriumacetat

Results and discussion

% Degradation
Parameter:
not specified
Value:
1.4
Sampling time:
28 d
Details on results:
Points of degradation plot (test substance):
.9 % degradation after 2 d
.9 % degradation after 5 d
.9 % degradation after 7 d
1.3 % degradation after 9 d
1.3 % degradation after 14 d
1.3 % degradation after 19 d
1.3 % degradation after 23 d
1.3 % degradation after 27 d
1.4 % degradation after 29 d

BOD5 / COD results

Results with reference substance:
Points of degradation plot (reference substance):
16.6 % degradation after 2 d
40.4 % degradation after 5 d
55.6 % degradation after 7 d
65.3 % degradation after 9 d
75.4 % degradation after 14 d
83 % degradation after 19 d
90.8 % degradation after 23 d
93.9 % degradation after 27 d
100 % degradation after 29 d

Applicant's summary and conclusion

Interpretation of results:
other: not readily biodegradable