Registration Dossier
Registration Dossier
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EC number: 947-816-1 | 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
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study
- Justification for type of information:
- Pyridine is the core structure of 1-methylpyridinio-3-carboxylate
Data source
Reference
- Reference Type:
- publication
- Title:
- A Correlation Study Biodegradable Determinations with Various Chemicals in Various Tests
- Author:
- Gerike
- Year:
- 1 979
- Bibliographic source:
- Ecotoxicology and Environmental Safety 3: 159-173
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 301 A (Ready Biodegradability: DOC Die Away Test)
- Deviations:
- not specified
- GLP compliance:
- no
Test material
- Reference substance name:
- Pyridine
- EC Number:
- 203-809-9
- EC Name:
- Pyridine
- Cas Number:
- 110-86-1
- IUPAC Name:
- pyridine
- Test material form:
- liquid
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- mixture of sewage, soil and natural water
- Duration of test (contact time):
- > 14 - < 28 d
Results and discussion
% Degradation
- Key result
- Parameter:
- % degradation (DOC removal)
- Value:
- 97
- Sampling time:
- 19 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable
- Conclusions:
- Pyridine was tested readily biodegradability
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