Registration Dossier
Registration Dossier
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EC number: 213-709-7 | CAS number: 1003-52-7
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:
- 10/2000 - 12/2000
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: study performed according to OECD and GLP guidelines
Cross-referenceopen allclose all
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 000
- Report date:
- 2000
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 E (Ready biodegradability: Modified OECD Screening Test)
- Deviations:
- no
- Principles of method if other than guideline:
- -
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- 4-methyloxazole-5-carbonitrile
- EC Number:
- 213-709-7
- EC Name:
- 4-methyloxazole-5-carbonitrile
- Cas Number:
- 1003-52-7
- Molecular formula:
- C5H4N2O
- IUPAC Name:
- 4-methyl-1,3-oxazole-5-carbonitrile
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- sewage, predominantly domestic (adaptation not specified)
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 1 g/L
- Based on:
- test mat.
Results and discussion
% Degradation
- Parameter:
- % degradation (DOC removal)
- Value:
- 9.2
- Sampling time:
- 28 d
- Details on results:
- no further details
Any other information on results incl. tables
no overall remarks
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- other: substance is not readily biodegradable
- Conclusions:
- Oxazolnitril is not readily biodegradable
- Executive summary:
Oxazolnitril was not readily biodegradable under the conditions of the OECD test 301E
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