Registration Dossier

Environmental fate & pathways

Biodegradation in water: screening tests

Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
supporting study
Study period:
1996-10-17 - 1996-11-15
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: The study has been performed in accordance with OECD-Guidline301B without any deviations and under GLP.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1996
Report date:
1996

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
Deviations:
no
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Reference substance name:
3-Tridecyloxy-(branched and linear)-propan-1-amine
IUPAC Name:
3-Tridecyloxy-(branched and linear)-propan-1-amine
Constituent 2
Reference substance name:
3-(tridecyloxy)propylamine, branched and linear
EC Number:
272-724-7
EC Name:
3-(tridecyloxy)propylamine, branched and linear
Cas Number:
68909-95-5
IUPAC Name:
68909-95-5
Constituent 3
Reference substance name:
Propanamine, 3-(tridecyloxy)-, branched and linear
IUPAC Name:
Propanamine, 3-(tridecyloxy)-, branched and linear
Details on test material:
Similar Product based on C13-Alcohol instead of C12-13-Alcohol.

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
activated sludge, non-adapted
Duration of test (contact time):
28 d
Initial test substance concentration
Initial conc.:
15 mg/L
Based on:
test mat.
Parameter followed for biodegradation estimation
Parameter followed for biodegradation estimation:
CO2 evolution

Results and discussion

% Degradationopen allclose all
Parameter:
% degradation (CO2 evolution)
Value:
4
Sampling time:
6 d
Parameter:
% degradation (CO2 evolution)
Value:
6
Sampling time:
14 d
Parameter:
% degradation (CO2 evolution)
Value:
9
Sampling time:
21 d
Parameter:
% degradation (CO2 evolution)
Value:
12
Sampling time:
28 d

Applicant's summary and conclusion

Interpretation of results:
other: not ready biodegradable
Conclusions:
The test item is not ready biodegradable according to the CO2 evolution test.
Executive summary:

The test item is not ready biodegradable according to the CO2 evolution test.