Registration Dossier
Registration Dossier
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EC number: 202-437-4 | CAS number: 95-64-7
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: screening tests
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 4 (not assignable)
Data source
Reference
- Reference Type:
- publication
- Title:
- Biodegradation and Bioconcentration of Existing Chemical Substances under the Chemical Substances Control Law
- Year:
- 2 011
- Bibliographic source:
- National institute of Technology and Evaluation; The Official Bulletin of the Ministry of International Trade and Industry
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 302 C (Inherent Biodegradability: Modified MITI Test (II))
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 3,4-xylidine
- EC Number:
- 202-437-4
- EC Name:
- 3,4-xylidine
- Cas Number:
- 95-64-7
- Molecular formula:
- C8H11N
- IUPAC Name:
- 3,4-dimethylaniline
Constituent 1
Study design
- Oxygen conditions:
- not specified
- Inoculum or test system:
- activated sludge (adaptation not specified)
- Details on inoculum:
- Concentration of Activated Sludge : 100ppm
- Duration of test (contact time):
- 4 wk
Results and discussion
% Degradation
- Parameter:
- % degradation (test mat. analysis)
- Value:
- 4.8
- Sampling time:
- 4 wk
- Details on results:
- a) Indirect : BOD , Analysis : 7.1%
b) Direct : GC , Analysis : 4.8%
BOD5 / COD results
BOD5 / COD
- Parameter:
- BOD5
- Value:
- 7.1 other: %
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- under test conditions no biodegradation observed
- Executive summary:
Judgement : Non-biodegradability
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