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EC number: 700-283-7 | CAS number: -
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 9 Mar - 28 May 2009
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 009
- Report date:
- 2009
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.4-E (Determination of the "Ready" Biodegradability - Closed Bottle Test)
- Deviations:
- no
- Principles of method if other than guideline:
- OECD method nr 301D
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- No. 1/2007/DPL
Test material
- Reference substance name:
- Reaction products of acetic acid and acetylferrocene and butan-1-ol and 2-methylpropan-1-ol and propan-1-ol and propan-2-ol
- EC Number:
- 700-283-7
- Molecular formula:
- Exact molecular formula is not known as it is a reaction mass. Empiric formula: C5H5FeC5H4COCmHn
- IUPAC Name:
- Reaction products of acetic acid and acetylferrocene and butan-1-ol and 2-methylpropan-1-ol and propan-1-ol and propan-2-ol
- Details on test material:
- According to INQ-C-0000036278-61-01, INQ-C-0000036386-62-01, and INQ_RESULT_INQ-C-0000036417-65-01 from ECHA, identification of a substance has been changed to UVCB substance. Name of the substance on the study results is the old name (reaction mass of butan-1-ol and propan-2-ol, ReduxCo), however these reports should be regarded valid as all studies were performed on the substance that is being registered - ReduxCo.
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Remarks:
- dark
- Inoculum or test system:
- activated sludge, non-adapted
- Details on inoculum:
- activated sludge, filtrate, from sewage treatment plant
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 2 mg/L
- Based on:
- ThOD/L
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
- Remarks:
- ThOD
Reference substance
- Reference substance:
- acetic acid, sodium salt
Results and discussion
% Degradation
- Parameter:
- % degradation (O2 consumption)
- Value:
- 46.12
- Sampling time:
- 28 d
- Details on results:
- Basis on the results obtained for ReduxCo it was assessed that after 28 days of experiment biodegradation test material was equal to 46.12% and biodegradation of reference substance (sodium acetate) was equal to 62.56% after 7 days of the experiment and86.54% after 28 days of the experiment.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- inherently biodegradable
- Conclusions:
- According to study substance is not readily biodegradable as 28 days of experiment biodegradation test material was equal to 46.12% that is less than 60%. We can consider it as inherently biodegradable.
- Executive summary:
ReduxCo is inherently biodegradable.
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