Registration Dossier
Registration Dossier
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EC number: 226-615-6 | CAS number: 5437-98-9
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: inherent biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1989
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: only summary of the test results
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 989
- Report date:
- 1989
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 302 B (Inherent biodegradability: Zahn-Wellens/EMPA Test)
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 4'-methoxyacetoacetanilide
- EC Number:
- 226-615-6
- EC Name:
- 4'-methoxyacetoacetanilide
- Cas Number:
- 5437-98-9
- Molecular formula:
- C11H13NO3
- IUPAC Name:
- N-[4-(methoxyacetyl)phenyl]acetamide
Constituent 1
Study design
- Oxygen conditions:
- not specified
- Inoculum or test system:
- not specified
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 0
- Sampling time:
- 3 h
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 39
- Sampling time:
- 5 d
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 85
- Sampling time:
- 10 d
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 92
- Sampling time:
- 15 d
- Parameter:
- % degradation (CO2 evolution)
- Value:
- > 97
- Sampling time:
- 20 d
Applicant's summary and conclusion
- Interpretation of results:
- inherently biodegradable
- Conclusions:
- The substance is inherently biodegradable
- Executive summary:
The substance was tested for inherent biodegradability in a Zahn-Wellens-Test acording to OECD 302B. A biodegradation of more than 97 % was observed after 20 days.
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