Registration Dossier
Registration Dossier
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EC number: 233-477-0 | CAS number: 10193-36-9
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 3 (not reliable)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 008
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- Version / remarks:
- CO2 Evolution Test (modified Sturm
Test) according to the guidelines OECD 301 B and ISO 9439
which determines the ultimate biodegradability of organic
compounds by aerobic microorganisms in water, using
a static aqueous test system as described by Strotmann et al.
(2004).
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Poly(oxy-1,2-ethanediyl), α-methyl-ω-methoxy-
- Molecular formula:
- N.A.
- IUPAC Name:
- Poly(oxy-1,2-ethanediyl), α-methyl-ω-methoxy-
Constituent 1
- Specific details on test material used for the study:
- PEG 400 was obtained from BASF (Ludwigshafen, Germany).
Results and discussion
% Degradation
- Key result
- Parameter:
- % degradation (DOC removal)
- Value:
- > 99
- St. dev.:
- 0
- Sampling time:
- 37 d
BOD5 / COD results
BOD5 / COD
- Key result
- Parameter:
- COD
- Value:
- ca. 10 other: Doc Remuval per day
Applicant's summary and conclusion
- Conclusions:
- All of the selected PEGs in a range fromMW250 up to 58,000 Da
are completely biodegradable regardless of the MW in freshwater
media under aerobic conditions using microorganisms
obtained from WWTP sludge
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