Registration Dossier
Registration Dossier
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EC number: 406-640-0 | CAS number: 136920-07-5 KEROFLUX ES 3241
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)
- Rationale for reliability incl. deficiencies:
- other: GLP guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 991
- Report date:
- 1991
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.4-D (Determination of the "Ready" Biodegradability - Manometric Respirometry Test)
- Version / remarks:
- Directive 79/831/EEC, Annex V, CY, Part IV, Manometric Respirometry
- GLP compliance:
- yes
Test material
- Reference substance name:
- A mixture of: 2,2',2'',2'''-(ethylenedinitrilotetrakis-N,N-di(C16)alkylacetamide; 2,2',2'',2'''-(ethylenedinitrilotetrakis-N,N-di(C18)alkylacetamide
- EC Number:
- 406-640-0
- EC Name:
- A mixture of: 2,2',2'',2'''-(ethylenedinitrilotetrakis-N,N-di(C16)alkylacetamide; 2,2',2'',2'''-(ethylenedinitrilotetrakis-N,N-di(C18)alkylacetamide
- Cas Number:
- 136920-07-5
- Molecular formula:
- C58H114N4O6 - C154H308N6O4
- IUPAC Name:
- Reaction mass of 2,2',2'',2'''-(ethylenedinitrilotetrakis-N,N-di(C12-C18)alkylacetamide and {[2-(Carboxymethyl-di(C12-C18)alkylcarbamoylmethyl-amino)-ethyl]-di(C12-C18)alkylcarbamoylmethyl-amino}-acetic acid
- Reference substance name:
- Keroflux ES 3241
- IUPAC Name:
- Keroflux ES 3241
- Details on test material:
- Batch No.: Batch 1
Project No.: 89/0316 rank 1
Constituent 1
Constituent 2
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic, non-adapted
- Details on inoculum:
- The activated sludge inoculum used in this study originated from laboratory wastewater treatment plants fed with municipal sewage. The concentration of dry substance was 30 mg/L.
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 100.8 mg/L
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
Reference substance
- Reference substance:
- aniline
Results and discussion
% Degradation
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0 - 10
- Sampling time:
- 28 d
- Details on results:
- Abiotic processes in a batch without inoculum:
O2*100/COD = 2 %
BOD5 / COD results
- Results with reference substance:
- Kinetic of control substance (in %):
= 63 after 9 day(s)
Any other information on results incl. tables
- The inoculum was not significantly inhibited by the test substance - Abiotic processes in a batch without inoculum: 2 % Pretests:
---------
Elementary analysis C = 79.5 % C
BOD = 0 mg/g
COD = 2221 mg/g
ThOD = 2024 mg/g
Applicant's summary and conclusion
- Interpretation of results:
- under test conditions no biodegradation observed
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